U+2CDA "Ⳛ" Coptic Capital Letter Old Coptic Shima Unicode Character

U+2CDA "Ⳛ" Coptic Capital Letter Old Coptic Shima is a letter from the Coptic script used in writing the Coptic language, the final stage of ancient Egyptian. This specific character represents a variant form of the letter "Shima," which is associated with the Old Coptic writing system, an early adaptation of the Greek alphabet supplemented with additional signs from Demotic Egyptian to represent sounds not present in Greek. The capital form "Ⳛ" is distinct from other Coptic letters in its shape and phonetic value, which is conventionally transcribed as /ʃ/ or the "sh" sound, and it appears primarily in historical or liturgical texts where older orthographic conventions were preserved.