U+A702 "꜂" Modifier Letter Chinese Tone Yin Shang Unicode Character

U+A702 “꜂” Modifier Letter Chinese Tone Yin Shang is a specialized diacritic mark used in linguistic transcription systems, particularly for representing the second tone in certain Romanizations of Chinese languages, such as Middle Chinese or historical Mandarin studies. This character belongs to the “Modifier Tone Letters” block and is employed to denote a high rising or dipping tone contour associated with the “yin shang” tonal category, which is part of the traditional four-tone system. It typically appears as a superscript or modifying symbol attached to a base syllable to indicate specific tonal pronunciation in academic or philological texts.