U+A844 "ꡄ" Phags-Pa Letter Ca Unicode Character

U+A844 "ꡄ" Phags-Pa Letter Ca is a specific glyph from the Phags-pa script, an alphabet created in the 13th century by the Tibetan monk Drogön Chögyal Phagpa for the Yuan Dynasty emperor Kublai Khan to unify the writing of multiple languages across the Mongol Empire, including Mongolian, Chinese, Tibetan, and Sanskrit. This character represents the consonant sound "ca" and is used in historical transcriptions of these languages, particularly in Chinese phonetic glossaries and Buddhist texts. The script itself is written vertically from top to bottom, like traditional Mongolian, and its letters are based on Tibetan script forms, with each character denoting a syllable-initial consonant or a vowel. Today, the Phags-pa script is largely of scholarly interest, studied for its unique role in medieval East Asian linguistics and epigraphy, with occasional usage in modern decorative or revival contexts.