U (Cyrillic)

U (У у; italics: У у) is a letter of the Cyrillic script. It commonly represents the close back rounded vowel /u/, somewhat like the pronunciation of ⟨oo⟩ in "boot" or "rule". The forms of the Cyrillic letter U are similar to the lowercase of the Latin letter Y (Y y; Y y), with the lowercase Cyrillic letter U's form being identical to that of small Latin letter Y.

A PFM-1 training mine, distinguishable from the live version by the presence of the letter У (short for учебный, uchebnyy, "for training").
U, from Alexandre Benois' 1904 alphabet book. It shows Ulitsa (street) and uraganʺ (hurricane).
Not to be confused with the Latin letter Y, the Greek letter Υ (upsilon) or Cyrillic letter Ү.
Cyrillic letter U
Phonetic usage:[u],[ʊ],[ʌ]
Numeric value:400
Derived from:Greek letter Upsilon (Υ υ)
The Cyrillic script
Slavic letters
АА́А̀А̂А̄ӒБВ
ГҐДЂЃЕЕ́Ѐ
Е̄Е̂ЁЄЄ́ЖЗЗ́
ЅИІІ́ЇЇ́ꙆИ́
ЍИ̂ӢЙЈКЛЉ
МНЊОО́О̀О̂Ō
ӦПРСС́ТЋЌ
УУ́У̀У̂ӮЎӰФ
ХЦЧЏШЩꙎЪ
Ъ̀ЫЫ́ЬѢЭЭ́Ю
Ю́Ю̀ЯЯ́Я̀
Non-Slavic letters
ӐА̊А̃Ӓ̄ӔӘӘ́Ә̃
ӚВ̌ԜГ̑Г̇Г̣Г̌Г̂
Г̆Г̈ҔҒӺҒ̌Ӷ
Д́Д̌Д̈Д̣Д̆ӖЕ̃
Ё̄Є̈ҖӜӁЖ̣ҘӞ
З̌З̣З̆ԐԐ̈ӠИ̃Ӥ
ҊҚӃҠҞҜК̣Ԛ
ᴫЛ́ӅԮԒЛ̈Ӎᵸ
Н́ӉҢԨӇҤО̆О̃
Ӧ̄ӨӨ̄Ө́Ө̆ӪԤҦ
П̈Р̌ҎС̌ҪС̣С̱Т́
Т̈Т̌Т̇Т̣ҬУ̃Ӳ
У̊Ӱ̄ҰҮҮ́Х̣Х̱Х̮
Х̑Х̌ҲӼӾҺҺ̈Ԧ
Ц̌Ц̈ҴҶҶ̣ӴӋ
ҸЧ̇Ч̣ҼҾШ̈Ш̣ꚜ
Ы̆Ы̄ӸꚝҌҨЭ̆Э̄
Э̇ӬӬ́Ӭ̄Ю̆Ю̈Ю̈́Ю̄
Я̆Я̄Я̈Я̈́Ӏ
Archaic or unused letters
А̨Б̀Б̣Б̱В̀Г̀Г̧
Г̄Г̓Г̆Ҕ̀Ҕ̆ԀД̓
Д̀Д̨ԂꚀꙢЕ̇Е̨
Ж̀Ж̑ꙂꙄЏ̆
ꚄꚄ̆ꙀЗ̀З̑ԄԆꚈ
ԪꚂꚔІ̂І̣І̨
Ј̵Ј̃ꙈК̓К̀К̆Ӄ̆
К̑К̇К̈К̄ԞК̂
Л̀ԠꙤԈЛ̑Л̇Ԕ
М̀М̃ꙦН̀Н̄Н̧Н̃
ԊԢН̡ѺꙨꙪꙬꙮ
ꚘꚚП̓П̀П́П̧
П̑ҀԚ̆Р́Р̀Р̃Ԗ
С̀С̈ԌҪ̓Т̓Т̀Ԏ
Т̑ꚊТ̧ꚌꚌ̆
ѸꙊУ̇У̨ꙋ́Ф̑Ф̓
Х́Х̀Х̆Х̇Х̧Х̓һ̱
ѠꙌѼѾꙠЦ̀Ц́Ц̓
ꚎꚎ̆ꚐЧ́Ч̀
Ч̆Ч̑Ч̓ԬꚒꚆ
Ꚇ̆Ҽ̆Ш̀Ш̆Ш̑Щ̆ꚖꚖ̆
ꙐЫ̂Ы̃Ѣ́Ѣ̈Ѣ̆Ꙓ
Э̨Э̂ꙔЮ̂ꙖЯ̈
Я̂Я̨ԘѤѦꙘѪꙚ
ѨꙜѬѮѰѲѴѶ
Ꙟ

History

Historically, Cyrillic U evolved as a specifically East Slavic short form of the digraph ⟨оу⟩ used in ancient Slavic texts to represent /u/. The digraph was itself a direct loan from the Greek alphabet, where the combination ⟨ου⟩ (omicron-upsilon) was also used to represent /u/. Later, the o was removed, leaving the modern upsilon-only form.

Consequently, the form of the letter is derived from Greek upsilon ⟨Υ υ⟩, which was parallelly also taken over into the Cyrillic alphabet in another form, as Izhitsa ⟨Ѵ⟩. (The letter Izhitsa was removed from the Russian alphabet in the orthography reform of 1917/19.)

It is normally romanised as "u", but in Kazakh, it is romanised as "w".

In the Cyrillic numeral system, the Cyrillic letter U had a value of 400.

In other languages

In Tuvan the Cyrillic letter can be written as a double vowel.[1][2]

In certain languages, U is used to mark labialization.

Similarity with Y (uppercase): The grapheme on the left is clearly a Cyrillic U, the one in the middle may represent both letters, the one on the right is clearly a Greek or Latin Y.

Computing codes
Character information
PreviewУу
Unicode name CYRILLIC CAPITAL LETTER U CYRILLIC SMALL LETTER U
Encodingsdecimalhexdechex
Unicode1059U+04231091U+0443
UTF-8208 163D0 A3209 131D1 83
Numeric character referenceУУуу
Named character referenceУу
KOI8-R and KOI8-U245F5213D5
Code page 855232E8231E7
Code page 86614793227E3
Windows-1251211D3243F3
ISO-8859-5195C3227E3
Macintosh Cyrillic14793243F3

References
  1. "Tuvan language, alphabet and pronunciation". omniglot.com. Retrieved 14 June 2016.
  2. Campbell, George L.; King, Gareth (24 July 2013). Compendium of the World's Languages. Routledge. ISBN 9781136258459. Retrieved 14 June 2016 – via Google Books.
  3. However, many Dungan books are set using Ӯ, with macron, instead of Ў, with breve, like the Dungan-Russian dictionary (1968). There is no ambiguity since it is the only У-with-a-diacritic in Dungan. It is used in Dungan syllables for which pinyin would use -u except in those with labial consonants (in du, ' nu, lu, gu, hu, zu, ru, etc. but not bu or mu)
  • The dictionary definition of У at Wiktionary
  • The dictionary definition of у at Wiktionary
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