U+1FA0 "ᾠ" Greek Small Letter Omega with Psili and Ypogegrammeni Unicode Character

U+1FA0 "ᾠ" Greek Small Letter Omega with Psili and Ypogegrammeni is a composite glyph used in ancient and liturgical Greek writing to represent a long omega sound that begins with a smooth breathing mark, indicated by the psili, and is followed by an iota subscript, known as the ypogegrammeni, which signifies a long vowel with a final iota that is not pronounced as a separate letter but modifies the vowel’s quality. This character is part of the Greek Extended block and is primarily employed in polytonic orthography, which preserves the historical accents and breathing marks of classical Greek, often appearing in scholarly editions of ancient texts or in Greek Orthodox liturgical books. Its combination of diacritical marks makes it a precise tool for rendering the original phonology and orthographic conventions of ancient Greek, distinguishing it from other omega forms that lack these specific features.