# 鈕

| 鈕 | U+9215, &#37397; CJK UNIFIED IDEOGRAPH-9215 |
| ← 鈔 [U+9214] | CJK Unified Ideographs | 鈖 → [U+9216] |

## Translingual
### Han character

鈕 (Kangxi radical 167, 金+4, 12 strokes, cangjie input 金弓土 (CNG), four-corner 8711$_5$, composition ⿰釒丑)
* button, knob
* used as a surname

#### References

* Kangxi Dictionary: page 1298, character 23
* Dai Kanwa Jiten: character 40228
* Dae Jaweon: page 1801, character 15
* Hanyu Da Zidian (first edition): volume 6, page 4180, character 14
* Unihan data for U+9215

## Chinese
### Glyph origin

| | Old Chinese |
| 峱 | *nuː |
| 紐 | *nuʔ |
| 扭 | *nuʔ, *tnuʔ |
| 狃 | *nuʔ, *nus |
| 鈕 | *nuʔ |
| 忸 | *nuʔ, *nuɡ |
| 杻 | *nuʔ, *n̥ʰuʔ |
| 莥 | *nuʔ |
| 羞 | *snu |
| 丑 | *n̥ʰuʔ |
| 沑 | *njuʔ, *nuɡ |
| 粈 | *njuʔ |
| 衄 | *nuɡ, *njuɡ |
Phono-semantic compound (形聲／形声, OC *nuʔ) : semantic 金 (“metal”) + phonetic 丑 (OC *n̥ʰuʔ).

### Etymology

Possibly from Proto-Sino-Tibetan *s-na ~ s-naːr (“nose”); see there for more discussion.
The Manchu surname is clipping of 鈕祜祿／钮祜禄 (Niǔhùlù), from Manchu ᠨᡳᠣᡥᡠᡵᡠ (niohuru, “a wolf”).

### Pronunciation

* Mandarin
    (Pinyin): niǔ (niu$^3$)
    (Zhuyin): ㄋㄧㄡˇ
* Cantonese (Jyutping): nau$^2$ / nau$^5$
* Puxian Min (Pouseng Ping'ing): diu$^3$ / liu$^3$
* Southern Min (Hokkien, POJ): liú
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: niǔ
*** Zhuyin: ㄋㄧㄡˇ
*** Tongyong Pinyin: niǒu
*** Wade–Giles: niu$^3$
*** Yale: nyǒu
*** Gwoyeu Romatzyh: neou
*** Palladius: ню (nju)
*** Sinological IPA : /ni̯oʊ̯²¹⁴/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: nau$^2$ / nau$^5$
*** Yale: náu / náuh
*** Cantonese Pinyin: nau$^2$ / nau$^5$
*** Guangdong Romanization: neo$^2$ / neo$^5$
*** Sinological IPA : /nɐu̯³⁵/, /nɐu̯¹³/
* Puxian Min
** (Putian)
*** Pouseng Ping'ing: diu$^3$
*** Sinological IPA : /tiu⁴⁵³/
** (Xianyou)
*** Pouseng Ping'ing: liu$^3$
*** Sinological IPA : /liu³³²/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: liú
*** Tâi-lô: liú
*** Phofsit Daibuun: liuo
*** IPA (Xiamen): /liu⁵³/
*** IPA (Quanzhou): /liu⁵⁵⁴/
*** IPA (Zhangzhou): /liu⁵³/
*** IPA (Taipei): /liu⁵³/
*** IPA (Kaohsiung): /liu⁴¹/
* Middle Chinese: nrjuwX
Rime :
| Character | 鈕 |
| Reading # | 1/1 |
| Initial (聲) | 娘 (12) |
| Final (韻) | 尤 (136) |
| Tone (調) | Rising (X) |
| Openness (開合) | Open |
| Division (等) | III |
| Fanqie | 女久切 |
| Baxter | nrjuwX |
| Reconstructions ||
| Zhengzhang Shangfang | /ɳɨu$^X$/ |
| Pan Wuyun | /ɳiu$^X$/ |
| Shao Rongfen | /niəu$^X$/ |
| Edwin Pulleyblank | /ɳuw$^X$/ |
| Li Rong | /niu$^X$/ |
| Wang Li | /nĭəu$^X$/ |
| Bernard Karlgren | /ni̯ə̯u$^X$/ |
| Expected Mandarin Reflex | niǔ |
| Expected Cantonese Reflex | nau$^5$ |
* Old Chinese
    (Zhengzhang): /*nuʔ/
Zhengzhang system (2003) :
| Character | 鈕 |
| Reading # | 1/1 |
| No. | 1520 |
| Phonetic component | 丑 |
| Rime group | 幽 |
| Rime subdivision | 1 |
| Corresponding MC rime | 狃 |
| Old Chinese | /*nuʔ/ |

### Definitions

鈕
* button (on clothes)
* button (something to be pressed)
       Ruò zhēnkōng ānquán niǔ fúqǐ, qǐng wù gòumǎi. [Pinyin]
       (please add an English translation of this usage example)
* a surname, particularly common among Manchus

### Compounds

* 印鈕／印钮
* 按鈕／按钮 (ànniǔ)
* 鈕扣／钮扣 (niǔkòu)
* 鈕絆／钮绊
* 電鈕／电钮 (diànniǔ)

## Japanese
### Kanji

(Hyōgai kanji)
* This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

#### Readings

* On (unclassified): ちゅう (chū)、じゅう (jū)
* Kun: つまみ (tsumami)、ボタン (botan)

### Definitions

* Kanji in this term
* 鈕
* ぼたん Hyōgai
* kun'yomi
For pronunciation and definitions of 鈕 – see the following entry. :
| 【ボタン】 | [noun] [from 1651] a button (clothing) [noun] [from 1885] a button (mechanical device) Alternative spelling 釦 |
(This term, 鈕, is an alternative spelling (rare) of the above term.) :

## Vietnamese
### Han character

鈕: Hán Nôm readings: nữu, nạo, nút
* This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.