U+A687 "ꚇ" Cyrillic Small Letter Cche Unicode Character

U+A687 "ꚇ" Cyrillic Small Letter Cche is a historic letter from the Cyrillic script, primarily used in the early modern era for transcribing certain non-Slavic languages, most notably in the Russian alphabet reform projects of the 19th century. This character represents a digraph-like sound, often transcribed as a 'tsh' or 'ch' sound with a palatalized or affricate quality, and it was included in the Cyrillic Extended-B block to support scholarly and historical text restoration. While it is not used in standard modern Cyrillic alphabets, it remains significant for linguistic studies of ancient manuscripts and phonetic alphabets developed for indigenous languages of the Russian Empire.