U+1E011 "𞀑" Combining Glagolitic Letter Onu Unicode Character

U+1E011 "𞀑" Combining Glagolitic Letter Onu is a diacritical mark used in the Glagolitic script, the oldest known Slavic alphabet, to modify the pronunciation or meaning of a base character by combining with it. Specifically representing the letter "Onu," which corresponds to the sound /o/ or /ɔ/, this combining form attaches above or adjacent to a preceding Glagolitic letter, altering its phonetic value or serving a grammatical function within medieval Slavic texts. As part of the Glagolitic Supplement block, it supports the accurate digital representation of historical manuscripts and liturgical writings, preserving the script’s unique orthographic features for linguistic and paleographic study.