# 珪

| 珪 | U+73EA, &#29674; CJK UNIFIED IDEOGRAPH-73EA |
| ← 珩 [U+73E9] | CJK Unified Ideographs | 珫 → [U+73EB] |

## Translingual
### Han character

珪 (Kangxi radical 96, 玉+6, 10 strokes, cangjie input 一土土土 (MGGG), four-corner 1411$_4$, composition ⿰𤣩圭)

#### References

* Kangxi Dictionary: page 731, character 15
* Dai Kanwa Jiten: character 20972
* Dae Jaweon: page 1142, character 26
* Hanyu Da Zidian (first edition): volume 2, page 1109, character 11
* Unihan data for U+73EA

## Chinese
### Glyph origin

| | Old Chinese |
| 街 | *kreː, *kreː |
| 鞋 | *ɡreː, *ɡreː, *ɡreː |
| 娾 | *ŋreː, *ŋreːʔ |
| 佳 | *kreː |
| 鮭 | *ɡreː, *kʷeː, *kʰʷeː |
| 涯 | *ŋreː, *ŋre |
| 崖 | *ŋreː, *ŋre |
| 啀 | *ŋreː |
| 厓 | *ŋreː |
| 捱 | *ŋreː |
| 睚 | *ŋreːs |
| 娃 | *qreː |
| 洼 | *qreː, *qʷraː, *kʷeː |
| 哇 | *qreː, *qʷraː |
| 胿 | *ɡeː, *kʷeː |
| 溎 | *qeːns |
| 觟 | *ɡʷraːʔ |
| 黊 | *ɡʷraːʔ, *ɡʷreːs, *ɡʷeː |
| 蘳 | *ɡʷraːʔ, *qʰʷe |
| 蛙 | *qʷraː, *qʷreː |
| 窪 | *qʷraː |
| 卦 | *kʷreːs |
| 挂 | *kʷreːs |
| 掛 | *kʷreːs |
| 詿 | *kʷreːs, *ɡʷreːs |
| 罣 | *kʷreːs, *ɡʷreːs, *kʷeːs |
| 絓 | *kʰʷreː, *ɡʷreːs |
| 鼃 | *ɢʷreː, *qʷreː |
| 圭 | *kʷeː |
| 珪 | *kʷeː |
| 邽 | *kʷeː |
| 閨 | *kʷeː |
| 袿 | *kʷeː |
| 窐 | *kʷeː, *ɡʷeː |
| 茥 | *kʷeː, *kʰʷeː |
| 桂 | *kʷeːs |
| 筀 | *kʷeːs |
| 奎 | *kʰʷeː |
| 刲 | *kʰʷeː |
| 蝰 | *kʰʷeː |
| 楏 | *kʰʷeː |
| 睳 | *qʰʷeː |
| 畦 | *ɡʷeː |
| 眭 | *ɡʷeː, *sqʰʷe, *qʰʷe, *qʰʷi |
| 烓 | *qʷeː, *kʰʷeːŋʔ |
| 跬 | *kʰʷeʔ |
| 恚 | *qʷes |
| 硅 | *qʰʷreɡ |
Phono-semantic compound (形聲 / 形声, OC *kʷeː) : semantic 玉 (“jade”) + phonetic 圭 (OC *kʷeː).

### Pronunciation

* Mandarin
    (Pinyin): guī (gui$^1$)
    (Zhuyin): ㄍㄨㄟ
* Cantonese (Jyutping): gwai$^1$
* Hakka (Sixian, PFS): kui
* Eastern Min (BUC): giĕ
* Southern Min (Hokkien, POJ): ke / kui
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: guī
*** Zhuyin: ㄍㄨㄟ
*** Tongyong Pinyin: guei
*** Wade–Giles: kuei$^1$
*** Yale: gwēi
*** Gwoyeu Romatzyh: guei
*** Palladius: гуй (guj)
*** Sinological IPA : /ku̯eɪ̯⁵⁵/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: gwai$^1$
*** Yale: gwāi
*** Cantonese Pinyin: gwai$^1$
*** Guangdong Romanization: guei$^1$
*** Sinological IPA : /kʷɐi̯⁵⁵/
* Hakka
** (Sixian, incl. Miaoli and Neipu)
*** Pha̍k-fa-sṳ: kui
*** Hakka Romanization System: gui
*** Hagfa Pinyim: gui$^4$
*** Sinological IPA: /ku̯i⁵⁵/
* Eastern Min
** (Fuzhou)
*** Bàng-uâ-cê: giĕ
*** Sinological IPA : /kie⁵⁵/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: ke / kui
*** Tâi-lô: ke / kui
*** Phofsit Daibuun: kef, kuy
*** IPA (Xiamen): /ke⁴⁴/, /kui⁴⁴/
*** IPA (Quanzhou): /ke³³/, /kui³³/
*** IPA (Zhangzhou): /ke⁴⁴/, /kui⁴⁴/
*** IPA (Taipei): /ke⁴⁴/, /kui⁴⁴/
*** IPA (Kaohsiung): /ke⁴⁴/, /kui⁴⁴/
* Middle Chinese: kwej
Rime :
| Character | 珪 |
| Reading # | 1/1 |
| Initial (聲) | 見 (28) |
| Final (韻) | 齊 (40) |
| Tone (調) | Level (Ø) |
| Openness (開合) | Closed |
| Division (等) | IV |
| Fanqie | 古攜切 |
| Baxter | kwej |
| Reconstructions ||
| Zhengzhang Shangfang | /kwei/ |
| Pan Wuyun | /kʷei/ |
| Shao Rongfen | /kuɛi/ |
| Edwin Pulleyblank | /kwɛj/ |
| Li Rong | /kuei/ |
| Wang Li | /kiwei/ |
| Bernhard Karlgren | /kiwei/ |
| Expected Mandarin Reflex | guī |
| Expected Cantonese Reflex | gwai$^1$ |
* Old Chinese
    (Zhengzhang): /*kʷeː/
Zhengzhang system (2003) :
| Character | 珪 |
| Reading # | 1/1 |
| No. | 4570 |
| Phonetic component | 圭 |
| Rime group | 支 |
| Rime subdivision | 0 |
| Corresponding MC rime | 圭 |
| Old Chinese | /*kʷeː/ |

### Definitions

珪
* (historical) jade tablet used by officials when addressing the emperor in court
    See also: 圭
* a surname

### Compounds

* 珪璋
* 珪璧

### Descendants

* → Japanese: 珪(けい) (kei)

## Japanese
### Kanji

(Hyōgai kanji)

#### Readings

* Go-on: かい (kai)
* Kan-on: けい (kei)
* Kun: たま (tama, 珪)

### Etymology 1

* Kanji in this term
* 珪
* けい Hyōgai
* kan'on
/kʷei/ → /kei/
From Middle Chinese 珪 (MC kwej).

#### Affix

珪(けい) • (kei)
* (historical) jade tablet conferred upon princes as a symbol of authority

##### Derived terms

* 珪(けい)璋(しょう) (keishō)
* 珪(けい)璧(へき) (keiheki)
* 玄(げん)珪(けい) (genkei)
* 白(はっ)珪(けい) (hakkei)

### Etymology 2

* Kanji in this term
* 珪
* けい Hyōgai (ateji)
* kan'on
From Dutch keiaarde. An ateji (当て字) coined by Japanese scientist Udagawa Yōan in 1837 in his book 舎密開宗 (Seimi Kaisō, “Introduction to Chemistry”).

#### Affix

珪(けい) • (kei)
* silicon

##### Derived terms

* 珪(けい)化(か) (keika)
* 珪(けい)華(か) (keika)
* 珪(けい)岩(がん) (keigan)
* 珪(けい)鉱(こう) (keikō)
* 珪(けい)砂(さ) (keisa)
* 珪(けい)酸(さん) (keisan)
* 珪(けい)質(しつ) (keishitsu)
* 珪(けい)砂(しゃ) (keisha)
* 珪(けい)石(せき) (keiseki)
* 珪(けい)素(そ) (keiso)
* 珪(けい)藻(そう) (keisō)
** 珪(けい)藻(そう)植(しょく)物(ぶつ) (keisō shokubutsu)
** 珪(けい)藻(そう)類(るい) (keisōrui)
* 珪(けい)土(ど) (keido)
* 珪(けい)銅(どう)線(せん) (keidōsen)
* 珪(けい)肺(はい) (keihai)

## Korean
### Hanja

珪 • (gyu) (hangeul 규, revised gyu, McCune–Reischauer kyu, Yale kyu)
* This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

## Vietnamese
### Han character

珪: Hán Việt readings: khuê

### References

* ↑ Nguyễn (2014).