U+2DEA "ⷪ" Combining Cyrillic Letter O Unicode Character

U+2DEA "ⷪ" Combining Cyrillic Letter O is a combining diacritical mark used in certain Cyrillic-based writing systems to alter the pronunciation or phonetic quality of a base letter, typically by indicating a labialized or rounded articulation of the preceding consonant, similar to the effect of the Cyrillic letter O when it appears as a superscript modification, and it is found in scholarly or liturgical contexts such as Old Church Slavonic or early Slavic manuscript transcriptions where precise phonetic notation is required.