U+1FC1 "῁" Greek Dialytika and Perispomeni Unicode Character

U+1FC1 "῁" Greek Dialytika and Perispomeni is a precomposed Greek letter that combines the diaeresis, or dialytika, which indicates that two adjacent vowels are pronounced separately, with the perispomeni, an accent mark representing a high-low pitch contour historically used in Ancient Greek. This character is specifically applied to the vowel iota and appears in scholarly editions of ancient texts to denote a long, circumflex-accented iota that also requires the diaeresis to signal that it begins a new syllable rather than forming a diphthong with a preceding vowel. While rare in modern Greek usage, it serves a specialized function in classical philology and textual criticism, ensuring precise representation of pronunciation and meter in transcribed Ancient Greek poetry and prose.