tretya
Tretya is a transliteration of Cyrillic spellings trétya or тре́тья, meaning "the third" in the feminine form. In Russian, тре́тья (tretya) is the feminine form of the ordinal numeral третий (tretiy). In Ukrainian, третя (tretia) is similarly the feminine form. The word is used to modify feminine nouns and agrees in gender, number, and case.
Etymology and form: The term derives from Proto-Slavic *tretiъ, from the root for "three." In each language,
Usage and variations: As an ordinal adjective, tretya appears in references where the noun is feminine, such
Toponymy and related forms: In some Slavic-speaking regions, Tretya or similar forms may appear in place names
See also: variations of the ordinal third across Slavic languages, transliteration schemes for Cyrillic, and gender