# 穴

| 穴 | U+7A74, &#31348; CJK UNIFIED IDEOGRAPH-7A74 |
| ← 穳 [U+7A73] | CJK Unified Ideographs | 穵 → [U+7A75] |
| ⽳ | U+2F73, &#12147; KANGXI RADICAL CAVE |
| ← ⽲ [U+2F72] | Kangxi Radicals | ⽴ → [U+2F74] |

## Translingual
### Han character

穴 (Kangxi radical 116, 穴+0, 5 strokes, cangjie input 十金 (JC), four-corner 3080$_2$, composition ⿱宀八)
* Kangxi radical #116, ⽳.

#### Derived characters

* Appendix:Chinese radical/穴
* 𠱇, 坹, 𡯜, 岤, 㧒, 泬, 狖, 柼, 𡯠, 𦙮, 𥄴, 𥑫, 𮂾, 袕, 䋉, 𦥨, 𧉢, 䛎, 貁, 𫙕, 鴥(𫛣), 䴳, 𪕏
* 鴪, 帘, 𧉴, 𧦱, 𥧢, 屄, 茓, 𡢠, 𢱑, 攨, 㴏, 矈, 臱, 邃, 邉

#### References

* Kangxi Dictionary: page 862, character 20
* Dai Kanwa Jiten: character 25406
* Dae Jaweon: page 1288, character 37
* Hanyu Da Zidian (first edition): volume 4, page 2718, character 1
* Unihan data for U+7A74

## Chinese
### Glyph origin

Historical forms of the character 穴 :
| Shuowen Jiezi (compiled in Han) | Liushutong (compiled in Ming) |
| Small seal script | Transcribed ancient scripts |
| | Old Chinese |
| 泬 | *qʰʷliːɡ |
| 坹 | *qʰʷliːɡ, *ɡʷliːɡ |
| 穴 | *ɡʷliːɡ |
| 袕 | *ɡʷliːɡ, *ɢʷjiɡ |
| 鴪 | *ɢʷiɡ |
Pictogram (象形)—possibly an entrance to a cave or a door flap. A conservative version is 𠕉. See also 奐 and the top component of 罙.

### Pronunciation

* Mandarin
    (Pinyin): xué, xuè
    (Zhuyin): ㄒㄩㄝˊ, ㄒㄩㄝˋ
* Cantonese (Jyutping): jyut$^6$
* Hakka
    (Sixian, PFS): hie̍t / hia̍t
    (Hailu, HRS): hied$^ˋ$
* Jin (Wiktionary): xueh$^5$
* Northern Min (KCR): hiē
* Eastern Min (BUC): hiĕk
* Puxian Min (Pouseng Ping'ing): hoeh$^7$ / hyeh$^7$
* Southern Min
    (Hokkien, POJ): hia̍t
    (Teochew, Peng'im): huag$^8$ / huêg$^8$
* Wu (Shanghai, Wugniu): $^8$yuq
* Mandarin
** (Standard Chinese, standard in Mainland)
*** Hanyu Pinyin: xué
*** Zhuyin: ㄒㄩㄝˊ
*** Tongyong Pinyin: syué
*** Wade–Giles: hsüeh$^2$
*** Yale: sywé
*** Gwoyeu Romatzyh: shyue
*** Palladius: сюэ (sjue)
*** Sinological IPA : /ɕy̯ɛ³⁵/
** (Standard Chinese, standard in Taiwan; variant in Mainland)
*** Hanyu Pinyin: xuè
*** Zhuyin: ㄒㄩㄝˋ
*** Tongyong Pinyin: syuè
*** Wade–Giles: hsüeh$^4$
*** Yale: sywè
*** Gwoyeu Romatzyh: shiueh
*** Palladius: сюэ (sjue)
*** Sinological IPA : /ɕy̯ɛ⁵¹/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: jyut$^6$
*** Yale: yuht
*** Cantonese Pinyin: jyt$^9$
*** Guangdong Romanization: yud$^6$
*** Sinological IPA : /jyːt̚²/
* Hakka
** (Northern Sixian, incl. Miaoli)
*** Pha̍k-fa-sṳ: hie̍t
*** Hakka Romanization System: hied
*** Hagfa Pinyim: hiad$^6$
*** Sinological IPA: /hi̯et̚⁵/
** (Southern Sixian, incl. Neipu)
*** Pha̍k-fa-sṳ: hia̍t
*** Hakka Romanization System: hiad
*** Hagfa Pinyim: hiad$^6$
*** Sinological IPA: /hi̯at̚⁵/
** (Hailu, incl. Zhudong)
*** Hakka Romanization System: hied$^ˋ$
*** Sinological IPA: /hiet²/
* Jin
** (Taiyuan)
*** Wiktionary: xueh$^5$
*** Sinological IPA (old-style): /ɕuəʔ⁵⁴/
* Northern Min
** (Jian'ou)
*** Kienning Colloquial Romanized: hiē
*** Sinological IPA : /xiɛ⁵⁵/
* Eastern Min
** (Fuzhou)
*** Bàng-uâ-cê: hiĕk
*** Sinological IPA : /hieʔ⁵/
* Puxian Min
** (Putian)
*** Pouseng Ping'ing: hoeh$^7$
*** Sinological IPA : /hœʔ⁴/
** (Xianyou)
*** Pouseng Ping'ing: hyeh$^7$
*** Sinological IPA : /hyøʔ²⁴/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: hia̍t
*** Tâi-lô: hia̍t
*** Phofsit Daibuun: hiat
*** IPA (Xiamen): /hiɛt̚⁴/
*** IPA (Quanzhou): /hiɛt̚²⁴/
*** IPA (Zhangzhou): /hiɛt̚¹²¹/
*** IPA (Taipei): /hiɛt̚⁴/
*** IPA (Kaohsiung): /hiɛt̚⁴/
** (Teochew)
*** Peng'im: huag$^8$ / huêg$^8$
*** Pe̍h-ōe-jī-like: hua̍k / hue̍k
*** Sinological IPA : /huak̚⁴/, /huek̚⁴/
* huag8 - Shantou;
* huêg8 - Chaozhou.
* Dialectal data
| Variety | Location | edit穴 |
| Mandarin | Beijing | /ɕyɛ⁵¹/ /ɕyɛ³⁵/ |
| Mandarin | Harbin | /ɕyɛ⁵³/ |
| Mandarin | Tianjin | /ɕye⁵³/ |
| Mandarin | Jinan | /ɕyə⁴²/ |
| Mandarin | Qingdao | /ɕyə⁴²/ |
| Mandarin | Zhengzhou | /ɕyɛ⁴²/ |
| Mandarin | Xi'an | /ɕiɛ²⁴/ |
| Mandarin | Xining | /ɕi²⁴/ |
| Mandarin | Yinchuan | /ɕye¹³/ |
| Mandarin | Lanzhou | /ɕyə¹³/ |
| Mandarin | Ürümqi | /ɕyɤ²¹³/ |
| Mandarin | Wuhan | /ɕye²¹³/ 新 /ɕie²¹³/ 舊 |
| Mandarin | Chengdu | /ɕie³¹/ |
| Mandarin | Guiyang | /ɕie²¹/ |
| Mandarin | Kunming | /ɕiɛ³¹/ |
| Mandarin | Nanjing | /ɕyeʔ⁵/ |
| Mandarin | Hefei | /ɕyɐʔ⁵/ |
| Jin | Taiyuan | /ɕyəʔ⁵⁴/ |
| Jin | Pingyao | /ɕyʌʔ⁵³/ |
| Jin | Hohhot | /ɕyaʔ⁴³/ |
| Wu | Shanghai | /ɦioʔ¹/ /ɦyɪʔ¹/ |
| Wu | Suzhou | /ɦyəʔ³/ |
| Wu | Hangzhou | /ɦyəʔ²/ |
| Wu | Wenzhou | /jy²¹³/ |
| Hui | Shexian | /ɕye²²/ |
| Hui | Tunxi | /ɕyɛ⁵/ |
| Xiang | Changsha | /ɕie²⁴/ |
| Xiang | Xiangtan | /t͡ɕʰyæ²⁴/ |
| Gan | Nanchang | /ɕyɵʔ²/ |
| Hakka | Meixian | /hiat̚⁵/ |
| Hakka | Taoyuan | /hiet̚⁵⁵/ |
| Cantonese | Guangzhou | /jyt̚²/ |
| Cantonese | Nanning | /yt̚²²/ |
| Cantonese | Hong Kong | /jyt̚²/ |
| Min | Xiamen (Hokkien) | /hiat̚⁵/ |
| Min | Fuzhou (Eastern Min) | /hieʔ⁵/ |
| Min | Jian'ou (Northern Min) | /xiɛ⁴⁴/ |
| Min | Shantou (Teochew) | /huak̚⁵/ |
| Min | Haikou (Hainanese) | /hit̚³/ |
* Middle Chinese: hwet
Rime :
| Character | 穴 |
| Reading # | 1/1 |
| Initial (聲) | 匣 (33) |
| Final (韻) | 屑 (88) |
| Tone (調) | Checked (Ø) |
| Openness (開合) | Closed |
| Division (等) | IV |
| Fanqie | 胡決切 |
| Baxter | hwet |
| Reconstructions ||
| Zhengzhang Shangfang | /ɦwet̚/ |
| Pan Wuyun | /ɦʷet̚/ |
| Shao Rongfen | /ɣuɛt̚/ |
| Edwin Pulleyblank | /ɦwɛt̚/ |
| Li Rong | /ɣuet̚/ |
| Wang Li | /ɣiwet̚/ |
| Bernhard Karlgren | /ɣiwet̚/ |
| Expected Mandarin Reflex | xué |
| Expected Cantonese Reflex | jyut$^6$ |
* Old Chinese
    (Baxter–Sagart): /*[ɢ]ʷˤi[t]/
    (Zhengzhang): /*ɡʷliːɡ/
Baxter–Sagart system 1.1 (2014) :
| Character | 穴 |
| Reading # | 1/1 |
| Modern Beijing (Pinyin) | xué |
| Middle Chinese | ‹ hwet › |
| Old Chinese | /*[ɢ]ʷˁi[t]/ |
| English | cave, pit |
| Notes for Old Chinese notations in the Baxter–Sagart system: * Parentheses "" indicate uncertain presence; * Square brackets "" indicate uncertain identity, e.g. *[t] as coda may in fact be *-t or *-p; * Angle brackets "<>" indicate infix; * Hyphen "-" indicates morpheme boundary; * Period "." indicates syllable boundary. ||
Zhengzhang system (2003) :
| Character | 穴 |
| Reading # | 1/1 |
| No. | 14092 |
| Phonetic component | 穴 |
| Rime group | 質 |
| Rime subdivision | 2 |
| Corresponding MC rime | 穴 |
| Old Chinese | /*ɡʷliːɡ/ |

### Definitions

穴
* hole
* grave (pit)
* cave; cavern
* (literal, figurative) den; nest; lair
* (traditional Chinese medicine) acupoint

#### Synonyms

* (hole):
| Variety | Location | Words |
| Classical Chinese | Classical Chinese | 孔, 洞, 穴 |
| Formal (Written Standard Chinese) | Formal (Written Standard Chinese) | 孔, 洞, 孔洞, 空洞, 空穴, 窿 |
| Northeastern Mandarin | Beijing | 窟窿 |
| Northeastern Mandarin | Singapore | 洞 |
| Jilu Mandarin | Jinan | 窟窿 |
| Central Plains Mandarin | Luoyang | 窟窿 |
| Central Plains Mandarin | Wanrong | 窟窿 |
| Central Plains Mandarin | Xi'an | 窟窿子, 窟窿 |
| Southwestern Mandarin | Chengdu | 窟窿, 洞洞, 洞 |
| Southwestern Mandarin | Wuhan | 窟窿, 窟眼, 洞洞, 洞 |
| Southwestern Mandarin | Liuzhou | 窿 |
| Jianghuai Mandarin | Nanjing | 窟窿 |
| Jianghuai Mandarin | Yangzhou | 洞, 窟窿 |
| Jianghuai Mandarin | Hefei | 窟窿, 洞 |
| Cantonese | Guangzhou | 窿, 咕窿 |
| Cantonese | Hong Kong | 窿, 咕窿 |
| Cantonese | Taishan | 孔 |
| Cantonese | Yangjiang | 窿 |
| Cantonese | Kuala Lumpur (Guangfu) | 窿 |
| Cantonese | Singapore (Guangfu) | 窿 |
| Gan | Nanchang | 洞 |
| Hakka | Meixian | 窿仔, 窿空仔 |
| Hakka | Miaoli (N. Sixian) | 空 |
| Hakka | Pingtung (Neipu; S. Sixian) | 空 |
| Hakka | Hsinchu County (Zhudong; Hailu) | 空 |
| Hakka | Taichung (Dongshi; Dabu) | 空 |
| Hakka | Hsinchu County (Qionglin; Raoping) | 空 |
| Hakka | Yunlin (Lunbei; Zhao'an) | 空 |
| Jin | Taiyuan | 窟窿, 窟子 |
| Northern Min | Jian'ou | 川 |
| Eastern Min | Fuzhou | 空空 |
| Southern Min | Xiamen | 空, 空口 |
| Southern Min | Quanzhou | 空 |
| Southern Min | Zhangzhou | 空口 |
| Southern Min | Zhangzhou (Changtai) | 空 |
| Southern Min | Taipei | 空 |
| Southern Min | Penang (Hokkien) | 空 |
| Southern Min | Singapore (Hokkien) | 空 |
| Southern Min | Manila (Hokkien) | 空 |
| Southern Min | Chaozhou | 空 |
| Southern Min | Jieyang | 空, 洞 |
| Southern Min | Haifeng | 空 |
| Southern Min | Singapore (Teochew) | 空 |
| Southern Min | Singapore (Hainanese) | 空 |
| Southern Pinghua | Nanning (Tingzi) | 窿 |
| Wu | Suzhou | 洞 |
| Wu | Wenzhou | 洞, 窟, 窟窿 |
| Wu | Jinhua | 窟窿 |
| Xiang | Changsha | 洞, 洞子 |
| Xiang | Shuangfeng | 眼貢, 洞 |
* (cave):
* 山洞 (shāndòng)
* 山空 (Hokkien)
* 山窿 (saan$^1$ lung$^1$) (Cantonese, Hakka)
* 岩穴 (yánxué) (literary)
* 洞穴 (dòngxué)
* 洞空 (Hokkien)
* 洞窟 (dòngkū)
* 石窟 (shíkū)
* 磅空 ( Taiwanese Hakka)

### Compounds

* 三兔穴
* 三穴
* 丙穴
* 丹穴
* 丹穴鳥 / 丹穴鸟
* 乳穴
* 井穴
* 仙穴
* 俞穴
* 僻穴
* 兩鼠鬥穴 / 两鼠斗穴
* 八會穴 / 八会穴
* 利穴
* 匪穴 (fěixué)
* 區穴 / 区穴
* 十鼠同穴
* 十鼠爭穴 / 十鼠争穴
* 同穴
* 吹蝕穴 / 吹蚀穴 (chuīshíxué)
* 啞穴 / 哑穴
* 回穴
* 土穴
* 地穴
* 堀穴
* 埽穴犁庭
* 墓穴 (mùxué)
* 壺穴 / 壶穴
* 壽穴 / 寿穴 (shòuxué)
* 太陽穴 / 太阳穴
* 孔穴 (kǒngxué)
* 寒穴
* 寢穴 / 寝穴
* 封穴
* 山穴
* 崖穴
* 巒穴 / 峦穴
* 巖居穴處 / 岩居穴处
* 巖棲穴處 / 岩栖穴处
* 巖穴 / 岩穴 (yánxué)
* 巖穴之士 / 岩穴之士
* 巢居穴處 / 巢居穴处
* 巢穴 (cháoxué)
* 庚穴
* 廟穴 / 庙穴
* 弊穴
* 復穴 / 复穴
* 戶穴 / 户穴
* 掃穴 / 扫穴
* 掘穴
* 掃穴犁庭 / 扫穴犁庭
* 探虎穴
* 曲穴
* 正穴
* 武穴 (Wǔxué)
* 汝穴風 / 汝穴风
* 泉穴
* 洞穴 (dòngxué)
* 滋穴
* 潛穴 / 潜穴
* 瀽穴
* 焚巢搗穴 / 焚巢捣穴
* 焚巢盪穴 / 焚巢荡穴
* 熏穴
* 爵穴
* 犁庭掃穴 / 犁庭扫穴 (lítíngsǎoxué)
* 狐穴
* 狡兔三穴
* 狡穴
* 猿穴壞山 / 猿穴坏山
* 獸穴 / 兽穴 (shòuxué)
* 玉枕穴
* 瓊廚金穴 / 琼厨金穴
* 癸穴庚渦 / 癸穴庚涡
* 白蟻爭穴 / 白蚁争穴
* 百穴珠
* 盜穴 / 盗穴
* 石穴
* 礦穴 / 矿穴
* 祔穴
* 禁穴
* 禹穴
* 穢穴 / 秽穴
* 穴乳
* 穴井
* 穴人
* 穴位 (xuéwèi)
* 穴匈
* 穴土
* 穴地
* 穴垣
* 穴埳
* 穴壁
* 穴子
* 穴宅
* 穴室樞戶 / 穴室枢户
* 穴寶蓋兒 / 穴宝盖儿
* 穴居 (xuéjū)
* 穴居野處 / 穴居野处
* 穴岫
* 穴巢
* 穴師 / 穴师
* 穴施
* 穴流
* 穴灶
* 穴牆 / 穴墙
* 穴牖
* 穴矛
* 穴窅
* 穴窗
* 穴竄 / 穴窜
* 穴竅 / 穴窍
* 穴管
* 穴紙 / 穴纸
* 穴群
* 穴胃
* 穴胸
* 穴藏
* 穴處 / 穴处
* 穴處之徒 / 穴处之徒
* 穴處知雨 / 穴处知雨
* 穴蜜
* 穴蟻 / 穴蚁
* 穴見 / 穴见
* 穴見小儒 / 穴见小儒
* 穴託 / 穴托
* 穴診儀 / 穴诊仪
* 穴踵
* 穴道 (xuédào)
* 穴野
* 穴門 / 穴门
* 穴隙
* 穴頭 / 穴头
* 穴骼
* 穴鴞 / 穴鸮
* 穴鼻
* 空穴 (kǒngxué)
* 空穴來風 / 空穴来风 (kōngxuéláifēng)
* 穿穴
* 穿穴踰牆 / 穿穴逾墙
* 窖穴
* 窟穴
* 窠穴
* 竅穴 / 窍穴
* 管穴
* 結穴 / 结穴
* 經穴 / 经穴
* 罅穴
* 群居穴處 / 群居穴处
* 耳穴 (ěrxué)
* 背穴
* 腧穴 (shùxué)
* 臨穴 / 临穴
* 薰穴求君
* 虎穴 (hǔxué)
* 虎穴得子
* 虎穴龍潭 / 虎穴龙潭
* 蛟穴
* 蜂房蟻穴 / 蜂房蚁穴
* 蜂窠蟻穴 / 蜂窠蚁穴
* 蟻穴 / 蚁穴 (yǐxué)
* 蟻穴壞堤 / 蚁穴坏堤
* 蟻穴潰堤 / 蚁穴溃堤
* 蟻穴自封 / 蚁穴自封
* 補垣塞穴 / 补垣塞穴
* 複穴 / 复穴
* 貫穴 / 贯穴
* 貴穴 / 贵穴
* 賊穴 / 贼穴
* 走穴 (zǒuxué)
* 踰牆鑽穴 / 逾墙钻穴
* 蹶穴
* 迴穴 / 回穴
* 迸穴
* 通穴
* 逵穴
* 逾牆鑽穴 / 逾墙钻穴
* 郤穴
* 郝穴 (Hǎoxué)
* 郭家金穴
* 郭況穴 / 郭况穴
* 郭穴
* 鄧穴 / 邓穴
* 酉穴
* 金穴
* 針穴 / 针穴
* 銅山金穴 / 铜山金穴
* 銅穴 / 铜穴
* 鑽穴 / 钻穴
* 鑿穴 / 凿穴
* 鑽穴踰垣 / 钻穴逾垣
* 鑽穴踰墻 / 钻穴逾墙
* 鑽穴踰牆 / 钻穴逾墙
* 鑽穴踰隙 / 钻穴逾隙
* 阿是穴 (āshìxué)
* 陶穴
* 陰穴 / 阴穴
* 隙穴
* 隙穴之窺 / 隙穴之窥
* 雲穴 / 云穴
* 需沙出穴
* 鞏穴 / 巩穴
* 風穴 / 风穴 (fēngxué)
* 鬥穴 / 斗穴
* 鮒蟄之穴 / 鲋蛰之穴
* 鳥鼠同穴 / 鸟鼠同穴
* 鳳穴 / 凤穴
* 點穴 / 点穴 (diǎnxué)
* 黽穴鴝巢 / 黾穴鸲巢
* 鼠穴
* 鼷穴
* 龍潭虎穴 / 龙潭虎穴
* 龍穴 / 龙穴

### References

* (Southern Min) “Entry #1869”, in 教育部臺灣台語常用詞辭典 [Dictionary of Frequently-Used Taiwanese Taigi] (overall work in Mandarin and Hokkien), Ministry of Education, R.O.C., 2025.
* (Puxian Min) 莆田市荔城区档案馆 [Putian City Licheng District Archives], editor (2022), “穴”, in 莆仙方言文读字汇 [Puxian Dialect Literary Reading Dictionary] (overall work in Mandarin and Puxian Min), page 271.

## Japanese

| Shinjitai | 穴 |
| Kyūjitai | 穴󠄁 穴+&#xE0101; (Adobe-Japan1) |
| Kyūjitai | 穴󠄄 穴+&#xE0104; (Hanyo-Denshi) (Moji_Joho) |
| The displayed kanji may be different from the image due to your environment. See here for details. |||

### Kanji

(Sixth grade kyōiku kanji)
* hole, opening

#### Readings

* Go-on: げち (gechi)
* Kan-on: けつ (ketsu, Jōyō)
* Kun: あな (ana, 穴, Jōyō)、めど (medo, 穴)
* Nanori: これ (kore)、けな (kena)、しし (shishi)、な (na)

#### Compounds

* 穴(あな)窯(がま) (anagama)
* 穴(あな)蔵(ぐら) (anagura)
* 穴(あな)子(ご) (anago): conger eel
* 穴(あな)凹(ぼこ) (anaboko)
* 穴(けっ)骼(かく) (kekkaku)
* 穴(けっ)居(きょ) (kekkyo)
* 穴(けっ)竅(くつ) (kekkutsu)
* 穴(けっ)掘(くつ) (kekkutsu)
* 穴(けっ)窟(くつ) (kekkutsu)
* 穴(けつ)隙(げき) (ketsugeki)
* 穴(けっ)見(けん) (kekken)
* 穴(けっ)口(こう) (kekkō)
* 穴(けつ)竄(ざん) (ketsuzan)
* 穴(けつ)師(し) (ketsushi)
* 穴(けつ)室(しつ) (ketsushitsu)
* 穴(けっ)出(しゅつ) (kesshutsu)
* 穴(けっ)処(しょ) (kessho)
* 穴(けつ)人(じん) (ketsujin)
* 穴(けつ)穽(せい) (ketsusei)
* 穴(けっ)託(たく) (kettaku)
* 穴(けっ)地(ち) (ketchi)
* 穴(けつ)土(ど) (ketsudo)
* 穴(けつ)洞(どう) (ketsudō)
* 穴(けつ)道(どう) (ketsudō)
* 穴(けつ)鼻(び) (ketsubi)
* 穴(けつ)倮(ら) (ketsura)
* 岩(いわ)穴(あな) (iwāna)
* 回(かい)穴(けつ), 廻(かい)穴(けつ) (kaiketsu) (回(かい)泬(けつ))
* 崖(がい)穴(けつ) (gaiketsu)
* 空(から)穴(けつ) (karaketsu)
* 巌(がん)穴(けつ) (ganketsu)
* 蟻(ぎ)穴(けつ) (giketsu)
* 九(きゅう)穴(けつ) (kyūketsu)
* 灸(きゅう)穴(けつ) (kyūketsu)
* 竅(きょう)穴(けつ) (kyōketsu)
* 窟(くう)穴(けつ) (kūketsu)
* 経(けい)穴(けつ) (keiketsu)
* 虎(こ)穴(けつ) (koketsu)
* 獣(じゅう)穴(けつ) (jūketsu)
* 石(せっ)穴(けつ) (sekketsu)
* 丹(たん)穴(けつ) (tanketsu)
* 点(てん)穴(けつ) (tenketsu): pressure points
* 同(どう)穴(けつ) (dōketsu)
* 洞(どう)穴(けつ) (dōketsu)
* 風(ふう)穴(けつ) (fūketsu)
* 墓(ぼ)穴(けつ) (boketsu)
* 兪(ゆ)穴(けつ) (yuketsu)
* 六(ろっ)穴(けつ) (rokketsu): the six holes of the human body, which are the mouth, eyes, ears, nose, anus, and genitals

### Etymology 1

* Kanji in this term
* 穴
* あな Grade: 6
* kun'yomi
* Alternative spelling
* 孔
From Old Japanese, from Proto-Japonic *ana.
First attested in the Kojiki of 712 CE.

#### Pronunciation

* (Tokyo) あな [ànáꜜ] (Odaka – [2])
* IPA: [a̠na̠]

#### Noun

穴(あな) • (ana)
* hole
    靴(くつ)下(した)に穴(あな)が開(あ)いた。
       Kutsushita ni ana ga aita.
       My socks got a hole in them.
       (literally, “A hole opened up in my socks.”)
* opening, aperture
    Synonym: 口 (kuchi)
* pit
    Synonym: 坑 (kō)
* cave, cavern
    Synonym: 洞 (hora)
* lair, den, burrow
    Synonym: 岩屋 (iwaya)
* loss, deficit
    Synonym: 損失 (sonshitsu)
* flaw, defect
    Synonym: 欠点 (ketten)

### Etymology 2

* Kanji in this term
* 穴
* けつ Grade: 6
* kan'on
For pronunciation and definitions of 穴 – see the following entry. :
| 【けつ】 | [noun] (informal) ass; arse; buttocks [noun] (informal) last or hindermost part [noun] (informal) upcoming item on the schedule [noun] (informal) gay sex, sex between two men Alternative spelling 尻 |
(This term, 穴, is an alternative spelling (rare) of the above term.) :

### Etymology 3

* Kanji in this term
* 穴
* めど Grade: 6
* kun'yomi
For pronunciation and definitions of 穴 – see the following entry. :
| 【針孔めど】 | [noun] eye of a needle |
(This term, 穴, is an alternative spelling of the above term.) :

### References

* ↑ 白川静 (Shirakawa Shizuka) (2014) “穴”, in 字通 (Jitsū)‎ (in Japanese), popular edition, Tōkyō: Heibonsha, →ISBN
* ↑ Haga, Gōtarō (1914) 漢和大辞書 [The Great Kanji-Japanese Dictionary] (in Japanese), Fourth edition, Tōkyō: Kōbunsha, →DOI, page 1582 (paper), page 843 (digital)
* ↑ Shōundō Henshūjo, editor (1927), 新漢和辞典 [The New Kanji-Japanese Dictionary] (in Japanese), Ōsaka: Shōundō, →DOI, page 905 (paper), page 465 (digital)
* ↑ “穴・孔”, in 日本国語大辞典 [Nihon Kokugo Daijiten]‎ (in Japanese), concise edition, Tokyo: Shogakukan, 2006
* ↑ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
* ↑ NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tokyo: NHK Publishing, Inc., →ISBN

## Korean
### Hanja

穴 (eumhun 구멍 혈 (gumeong hyeol))
* (구멍 혈, gumeong-): hole, hollow
* (구덩이 혈, gudeong'i-): pit, ditch
* (굴 혈, gul-): cave, cavern, cavity; den, burrow, sett
* (움 혈, um-): dugout

#### Synonyms

* 孔 (공, gong) hole
* 坑 (갱, gaeng) pit
* 壕 (호, ho) moat, ditch, trench, channel
* 窟 (굴, gul) cave, den, burrow, tunnel

#### Compounds

* 穴居人 (혈거인, hyeolgeoin) cave dweller

## Vietnamese
### Han character

穴: Hán Nôm readings: huyệt
* chữ Hán form of huyệt (“grave; acupoint”).

#### Compounds

* 下穴 (hạ huyệt)
* 巢穴 (sào huyệt)
* 死穴 (tử huyệt)
* 穴墓 (huyệt mộ)
* 開穴 (khai huyệt)
* 點穴 (điểm huyệt)