U+1F3C "Ἴ" Greek Capital Letter Iota with Psili and Oxia Unicode Character

U+1F3C "Ἴ" Greek Capital Letter Iota with Psili and Oxia is a polytonic Greek letter representing an uppercase Iota combined with two diacritical marks: a psili (smooth breathing mark) indicating the absence of an initial "h" sound, and an oxia (acute accent) denoting a high pitch or stressed syllable in ancient Greek. Historically, this character was used in classical and medieval Greek texts to specify precise pronunciation and tone, particularly in scholarly editions and liturgical writings. In modern digital contexts, it appears in historical or linguistic documents when reproducing original Greek orthography.