U+30FF "ヿ" Katakana Digraph Koto Unicode Character

U+30FF "ヿ" Katakana Digraph Koto is a specialized Japanese typographic symbol representing a single character for the sound "koto," which is a combination of the katakana syllables ko (コ) and to (ト). Historically used as an abbreviation or ligature in certain old Japanese texts, particularly in vertical writing for compactness, it is now considered rare and largely archaic, though it remains encoded in Unicode for historical and scholarly purposes rather than for modern everyday use.