Oe or Barred O is a letter of the Cyrillic alphabet

Cyrillic alphabet

The Cyrillic script or azbuka is an alphabetic writing system developed in the First Bulgarian Empire during the 10th century AD at the Preslav Literary School...

.

Shape

Its form was copied from the Latin letter Barred O (Ɵ ɵ) used in Jaŋalif and other alphabets. Despite having a similar shape, it is genetically related neither to the Greek letter Theta

Theta

Theta is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth...

 (Θ θ/ϑ) nor to the archaic Cyrillic letter Fita

Fita

Fita is a letter of the Early Cyrillic alphabet. The shape and the name of the letter are derived from the Greek letter Theta .In the Cyrillic numeral system, Fita has a value of 9.- Shape :...

 . However, traditional forms of Cyrillic Oe and Fita (since the 18th century) are identical, and designers of Unicode's sample font were probably the first ones who split glyphs of the two letters (providing Oe with a horizontal bar and Fita with a tilde inside). In traditional typography, shape of the inner line depends on typeface, not on meaning of the letter: both Oe and Fita may contain the line straight or waving.

Usage

Oe is used in the alphabets of the Bashkir

Bashkir language

The Bashkir language is a Turkic language, and is the language of the Bashkirs. It is co-official with Russian in the Republic of Bashkortostan.-Speakers:...

, Buryat

Buryat language

Buryat is a Mongolic variety spoken by the Buryats that is either classified as a language or as a major dialect group of Mongolian. The majority of Buryat speakers live in Russia along the northern border of Mongolia where it is an official language in the Buryat Republic, Ust-Orda Buryatia and...

, Kalmyk

Kalmyk language

The Kalmyk language , or Russian Oirat, is the native speech of the Kalmyk people of the Republic of Kalmykia, a federal subject of the Russian Federation. In Russia, it is the normative form of the Oirat language , which belongs to the Mongolic language family...

, Kazakh

Kazakh language

Kazakh is a Turkic language which belongs to the Kipchak branch of the Turkic languages, closely related to Nogai and Karakalpak....

, Kyrgyz

Kyrgyz language

Kyrgyz or Kirgiz, also Kirghiz, Kyrghiz, Qyrghiz is a Turkic language and, together with Russian, an official language of Kyrgyzstan...

, Mongolian

Mongolian language

The Mongolian language is the official language of Mongolia and the best-known member of the Mongolic language family. The number of speakers across all its dialects may be 5.2 million, including the vast majority of the residents of Mongolia and many of the Mongolian residents of the Inner...

 and Yakut languages, where it represents the open-mid front rounded vowel /œ/. In Kazakh

Kazakh language

Kazakh is a Turkic language which belongs to the Kipchak branch of the Turkic languages, closely related to Nogai and Karakalpak....

, this letter may also express /wʉ/.

Oe is most commonly romanized

Romanization of Russian

Romanization of the Russian alphabet is the process of transliterating the Russian language from the Cyrillic alphabet into the Latin alphabet...

 as ⟨Ö⟩; but its ISO 9

ISO 9

The international standard ISO 9 establishes a system for the transliteration into Latin characters of Cyrillic characters constituting the alphabets of many Slavic and some non-Slavic languages....

 transliteration is ⟨⟩.

Computing codes

character	Ө		ө
Unicode name	CYRILLIC CAPITAL LETTER BARRED O		CYRILLIC SMALL LETTER BARRED O
character encoding	decimal	hex	decimal	hex
Unicode Unicode Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...	1256	04E8	1257	04E9
UTF-8 UTF-8 UTF-8 is a multibyte character encoding for Unicode. Like UTF-16 and UTF-32, UTF-8 can represent every character in the Unicode character set. Unlike them, it is backward-compatible with ASCII and avoids the complications of endianness and byte order marks...	211 168	D3 A8	211 169	D3 A9
Numeric character reference Numeric character reference A numeric character reference is a common markup construct used in SGML and other SGML-related markup languages such as HTML and XML. It consists of a short sequence of characters that, in turn, represent a single character from the Universal Character Set of Unicode...	Ө	Ө	ө	ө

See also

• О о : Cyrillic letter O
  O (Cyrillic)
  O is a letter of the Cyrillic script.O commonly represents the close-mid back rounded vowel , like the pronunciation of ⟨o⟩ in "go".-History:The Cyrillic letter O was derived from the Greek letter Omicron ....
  
   : Cyrillic letter O with diaeresis
  O with diaeresis
  O with diaeresis may refer to:*O with diaeresis , a letter in Cyrillic alphabets such as Kurdish, Udmurt, Altay, Khakass, Mari, Udmurt and Komi...
  
   : Cyrillic letter Oe with diaeresis
  Oe with diaeresis
  Oe with diaeresis is a letter of the Cyrillic alphabet, used in the Even and Khanty languages.-Usage:In the Even language, this letter represents the close-mid front rounded vowel or the near-close near-front rounded vowel .In the Khanty language, this letter represents the close-mid central...