U+1E029 "𞀩" Combining Glagolitic Letter Iotated Big Yus Unicode Character

U+1E029 "𞀩" Combining Glagolitic Letter Iotated Big Yus is a special diacritical mark used within the Glagolitic script, an ancient Slavic alphabet, to modify a base character by indicating a yodized or iotated version of the large nasal vowel sound typically denoted by "Big Yus." This combining character, part of the Glagolitic Supplement block, is placed over or on top of another letter to create a distinct phonetic variant that reflects a historical paleographic practice in medieval Slavic writing. Its inclusion in Unicode ensures that scholars and digital typographers can accurately represent and preserve the nuanced orthography of early Slavic manuscripts, particularly for languages like Old Church Slavonic.