U+1AFF2 "𚿲" Katakana Letter Minnan Tone-4 Unicode Character

U+1AFF2 "𚿲" Katakana Letter Minnan Tone-4 is a relatively recent addition to the Unicode standard, belonging to the Katakana Extended-B block and designed for phonetic transcription of the Minnan language (including Taiwanese Hokkien). Specifically, it represents a modifier form of the katakana character combined with a tone mark to indicate the fourth tone of Minnan phonology, which typically features a falling or abrupt pitch contour. Its inclusion in Unicode facilitates accurate digital representation and typesetting of Minnan linguistic materials, supporting scholars and communities in preserving and studying this regional language. This character is part of a larger set of tone-specific katakana letters used to transcribe the tonal distinctions crucial to Minnan speech, helping to ensure that written records capture the precise pronunciation.