壹

See also: 一, 壱, and 弌

壹	U+58F9, 壹 CJK UNIFIED IDEOGRAPH-58F9

← 壸
[U+58F8]

CJK Unified Ideographs

壺 →
[U+58FA]

Translingual

Japanese	壱
Simplified	壹
Traditional	壹

Han character

壹 (Kangxi radical 33, 士+9, 12 strokes, cangjie input 土月一廿 (GBMT), four-corner 4010₈, composition ⿳士冖豆)

Derived characters

𠍼, 噎, 㙪, 嬄, 㦉, 撎, 潱, 𤡬, 曀, 𪳮, 殪, 𤏈, 𦠉, 𪾼, 䊦, 𧬇(𬤞), 豷, 𧴒, 𮚢, 𬬅, 𮧑, 饐(𮩞), 𩻭, 𪆖, 𡬗
亄, 𰄿, 𭕀, 㱅, 𧯸, 皼, 𭐚, 㦤, 𡄻, 𡤜, 𫯈, 懿, 𭐛, 𪤴, 𮙙, 鷧(𱊦), 𧰝, 𧹌, 𭅮, 𨶮(𨸌), 𪭁, 𫻢, 𢦁, 𢦆

References

Kangxi Dictionary: page 243, character 10
Dai Kanwa Jiten: character 5661
Dae Jaweon: page 483, character 19
Hanyu Da Zidian (first edition): volume 1, page 467, character 10
Unihan data for U+58F9

Chinese

simp. and trad.		壹
alternative forms		壱㚃夁𡕍𡔾壱㚃夁𡕍𡔾𡔹𡕋

Glyph origin

Historical forms of the character 壹
Shuowen Jiezi (compiled in Han)	Liushutong (compiled in Ming)
Small seal script	Transcribed ancient scripts

Characters in the same phonetic series (壹) (Zhengzhang, 2003)

	Old Chinese
曀	*qiːɡs
殪	*qiːɡs
豷	qiːɡs, qʰʷriɡs
懿	*qriɡs
饐	*qriɡs
鷧	*qriɡs
撎	*qriɡs
亄	qriɡs, qriɡ
噎	*qiːɡ
壹	*qlid

Phono-semantic compound (形聲 / 形声, OC *qlid) : semantic 壺 + phonetic 吉 (OC *klid). (Shuowen)

Pronunciation

Mandarin
(Pinyin): yī (yi¹)

(Zhuyin): ㄧ
Cantonese (Jyutping): jat¹ / jik¹
Southern Min (Hokkien, POJ): chi̍t / it
Wu (Shanghai, Wugniu): ⁷iq

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: yī
  - Zhuyin: ㄧ
  - Tongyong Pinyin: yi
  - Wade–Giles: i¹
  - Yale: yī
  - Gwoyeu Romatzyh: i
  - Palladius: и (i)
  - Sinological IPA ^(key): /i⁵⁵/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)
  - Jyutping: jat¹ / jik¹
  - Yale: yāt / yīk
  - Cantonese Pinyin: jat⁷ / jik⁷
  - Guangdong Romanization: yed¹ / yig¹
  - Sinological IPA ^(key): /jɐt̚⁵/, /jɪk̚⁵/
Southern Min
- (Hokkien)
  - Pe̍h-ōe-jī: chi̍t / it
  - Tâi-lô: tsi̍t / it
  - Phofsit Daibuun: cit, id
  - IPA (Xiamen): /t͡sit̚⁴/, /it̚³²/
  - IPA (Quanzhou): /t͡sit̚²⁴/, /it̚⁵/
  - IPA (Zhangzhou): /t͡sit̚¹²¹/, /it̚³²/
  - IPA (Taipei): /t͡sit̚⁴/, /it̚³²/
  - IPA (Kaohsiung): /t͡sit̚⁴/, /it̚³²/

Note:

chi̍t - colloquial;
it - literary.

Wu
- (Northern: Shanghai)
  - Wugniu: ⁷iq
  - MiniDict: ih^入
  - Wiktionary Romanisation (Shanghai): ⁴iq
  - Sinological IPA (Shanghai): /iɪʔ⁵⁵/

Middle Chinese: 'jit

Rime
Character	壹
Reading #	1/1
Initial (聲)	影 (34)
Final (韻)	質 (48)
Tone (調)	Checked (Ø)
Openness (開合)	Open
Division (等)	III
Fanqie	於悉切
Baxter	'jit
Reconstructions
Zhengzhang Shangfang	/ʔiɪt̚/
Pan Wuyun	/ʔit̚/
Shao Rongfen	/ʔjet̚/
Edwin Pulleyblank	/ʔit̚/
Li Rong	/ʔiĕt̚/
Wang Li	/ĭĕt̚/
Bernhard Karlgren	/ʔi̯ĕt̚/
Expected Mandarin Reflex	yi
Expected Cantonese Reflex	jat¹

Old Chinese
(Baxter–Sagart): /*ʔi[t]/

(Zhengzhang): /*qlid/

Baxter–Sagart system 1.1 (2014)
Character	壹
Reading #	1/1
Modern Beijing (Pinyin)	yī
Middle Chinese	‹ ʔjit ›
Old Chinese	/*ʔi[t]/
English	one
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	壹
Reading #	1/1
No.	14852
Phonetic component	壹
Rime group	質
Rime subdivision	1
Corresponding MC rime	一
Old Chinese	/*qlid/
Notes	說文吉聲實懿省文加吉聲

Definitions

壹

(Classical) faithful; committed
- 以懲不壹。 [Classical Chinese, trad.]
  以惩不壹。 [Classical Chinese, simp.]
  From: Commentary of Zuo, c. 4^th century BCE
  Yǐ chéng bù yī. [Pinyin]
  To punish those not loyal.
- 居身儉而用心壹。 [Classical Chinese, trad.]
  居身俭而用心壹。 [Classical Chinese, simp.]
  From: Commentary of Zuo, c. 4^th century BCE
  Jū shēn jiǎn ér yòng xīn yī. [Pinyin]
  [He] lives [his] body in frugality and uses [his] heart committedly.
(financial) one, variant of 一
- 壹發五豝。 [Classical Chinese, trad.]
  壹发五豝。 [Classical Chinese, simp.]
  From: The Classic of Poetry, c. 11^th – 7^th centuries BCE, translated based on James Legge's version
  Yī fā wǔ bā. [Pinyin]
  One shot, five sows.

Compounds

References

Dictionary of Chinese Character Variants (教育部異體字字典), A00834
“壹”, in 漢語多功能字庫 (Multi-function Chinese Character Database)‎^[1], 香港中文大學 (the Chinese University of Hong Kong), 2014–
“Entry #2”, 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., 2024.

Japanese

Shinjitai	壱
Kyūjitai	壹

Kanji

壹

(Hyōgai kanji, kyūjitai kanji, shinjitai form 壱)

Kyūjitai form of 壱 (number one)

Readings

Go-on: いち (ichi)
Kan-on: いつ (itsu)
Kun: ひとつ (hitotsu, 壹つ)
Nanori: い (i)

Korean

Hanja

壹 (eumhun 한 일 (han il))

one

Vietnamese

Han character

壹: Hán Nôm readings: nhất, nhứt

one

Chinese numbers
	0	1	2	3	4	5	6	7	8	9	10	10²	10³	10⁴	10⁶	10⁸	10¹²
Normal (小寫 / 小写)	〇, 零, 空	一, 蜀	二, 兩 / 两	三	四	五	六	七	八	九	十	百	千	萬 / 万, 十千 (Malaysia, Singapore)	百萬 / 百万, 桶(Philippines), 面桶 (Philippines)	億 / 亿	兆 (Taiwan) 萬億 / 万亿 (Mainland China)
Financial (大寫 / 大写)	零	壹	貳 / 贰	參 / 叁	肆	伍	陸 / 陆	柒	捌	玖	拾	佰	仟	萬 / 万, 十千 (Malaysia, Singapore)	百萬 / 百万, 桶(Philippines), 面桶 (Philippines)	億 / 亿	兆 (Taiwan) 萬億 / 万亿 (Mainland China)