Kana ligature

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In the Japanese writing system, kana ligatures (Japanese: 合略仮名, Hepburn: gōryaku-gana) are ligatures in the kana writing system, both hiragana and katakana. Kana such as koto (ヿ; from 事) and shite (𬼀; from 為) are not kana ligatures, but polysyllabic kana. Most of such ligatures and polysyllabic kanas became obsolete.

Hardly any kana ligatures or polysyllabic kanas are represented in standard character encodings.

Nobori banners in sumo, using the yori ligature ゟ

This section needs expansion. You can help by adding missing information. (February 2018)

These characters were widely used until a spelling reform decreed that each sound (mora) would be represented by one (kana) character. In January 1900, the Kana Investigation Committee (仮名調査委員) passed a resolution to "limit the number of homophone kana characters to one each" and aimed to abolish hentaigana, iteration marks, long-vowel marks, jionkanazukai [ja], the characters ゐ/ヰ (wi) and ゑ/ヱ (we), as well as the ligatures and the polysyllabic kanas.[1]

Kana ligatures such as (toki), (koto), etc., were actively used in Japan during the Edo and Meiji periods. These ligatures were sometimes placed together along with the hiragana and katakana syllabaries in Japanese school textbooks.[2] Nowadays, these ligatures are obsolete and are not taught at schools anymore.[3]

讀方入門 (yomikata nyūmon), a school textbook in which (koto) and (toki) can be seen listed among the other kanas[4]

These ligatures were not represented in computer character encodings until JIS X 0213:2000 (JIS2000) added ゟ (yori) and ヿ (koto). In 2002, ヿ and ゟ were added to Unicode 3.2. In October 2009, 𪜈 (tomo) was added to Unicode 5.2 in the CJK Unified Ideographs Extension C block. In June 2017, 𬼀 (shite), 𬼂 (nari), and 𬻿 (nari) were added to Unicode 10.0 in the CJK Unified Ideographs Extension F block.[5]

Historical/Hepburn	Image	Character	Unicode	Origin
かしこ/kashiko		—N/a	—N/a	𛀚しこ
こと/koto		—N/a	—N/a	こと[6][7]
ごと/goto	゙	—N/a	—N/a	ごと[6][7]
さま/sama		—N/a	—N/a	さ𛃅[8][9]
		—N/a	—N/a
まゐらせさふらふ/mairasesōrō		—N/a	—N/a	参らせ候ふ[10][11]
		—N/a	—N/a
より/yori		ゟ	U+309F	より[8][9][7]

Historical/Hepburn	Image	Character	Unicode	Origin
なり/nari		𬼂	U+2CF02	也[8][7][12][13]

Historical/Hepburn	Image	Character	Unicode	Origin
トイフ/toyū		—N/a	—N/a	ト云[8][14][15][16]
トキ/toki		—N/a	—N/a	トキ[8][14][15][6][7][16]
トテ/tote		—N/a	—N/a	トテ[8]
トモ/tomo		𪜈	U+2A708	トモ[8][14][15][6][7]
ドモ/domo		𪜈゙		ドモ
ヨリ/yori		—N/a	—N/a	ヨリ[14][15][16]

Historical/Hepburn	Image	Character	Unicode	Origin
イフ/yū		—N/a	—N/a	云
コト/koto		ヿ	U+30FF	事[8][14][13][15]
シテ/shite		𬼀	U+2CF00	為[14][15]
トキ/toki		—N/a	—N/a	時[14][15][16]
ナリ/nari		𬻿	U+2CEFF	也[14][15][16]

Character information

Preview
Unicode name	HIRAGANA DIGRAPH YORI		KATAKANA DIGRAPH KOTO		CJK UNIFIED IDEOGRAPH-2A708		CJK UNIFIED IDEOGRAPH-2CEFF		CJK UNIFIED IDEOGRAPH-2CF00		CJK UNIFIED IDEOGRAPH-2CF02
Encodings	decimal	hex	dec	hex	dec	hex	dec	hex	dec	hex	dec	hex
Unicode	12447	U+309F	12543	U+30FF	173832	U+2A708	184063	U+2CEFF	184064	U+2CF00	184066	U+2CF02
UTF-8	227 130 159	E3 82 9F	227 131 191	E3 83 BF	240 170 156 136	F0 AA 9C 88	240 172 187 191	F0 AC BB BF	240 172 188 128	F0 AC BC 80	240 172 188 130	F0 AC BC 82
UTF-16	12447	309F	12543	30FF	55401 57096	D869 DF08	55411 57087	D873 DEFF	55411 57088	D873 DF00	55411 57090	D873 DF02
Numeric character reference	ゟ	ゟ	ヿ	ヿ	𪜈	𪜈	𬻿	𬻿	𬼀	𬼀	𬼂	𬼂

• Japanese rebus monogram