U+1E021 "𞀡" Combining Glagolitic Letter Yati Unicode Character

U+1E021 "𞀡" Combining Glagolitic Letter Yati is a combining diacritical mark used in the Glagolitic script, an ancient Slavic alphabet primarily associated with Old Church Slavonic texts. This character specifically represents the letter "Yati", a vowel sound that historically occurred in early Slavic languages, and is designed to combine with a base Glagolitic letter to modify its pronunciation, typically indicating a narrow or long e sound. As a combining mark, it sits above or near the base character to form a composite glyph, enabling accurate representation of historical orthography in digital text.