O with diaeresis (Cyrillic)
O with diaeresis is a letter of the Cyrillic script.
In all its forms it looks exactly like the Latin letter Ö.
O with diaeresis is used in the alphabets of the Altay, Khakas, Komi, Kurdish, Mari, Shor and Udmurt languages.Usage
In Altai, Khakas and Shor, it represents the close-mid front rounded vowel.
In Komi, it represents the schwa.
In Kurdish, it represents the close back rounded vowel.
In Mari, it represents the open-mid front rounded vowel .
In Udmurt, it represents the open-mid back unrounded vowel.
In Russian books until the beginning of the 20th century, the letter Ӧ has been sporadically used instead of Ё in foreign names and loanwords.
In Tatar, this letter appeared in the 1861 Cyrillic orthography by Nikolay Ilminsky. This letter was replaced by Ө in 1939.
