U+1AA4 "᪤" Tai Tham Sign Hoy Unicode Character

U+1AA4 "᪤" Tai Tham Sign Hoy is a combining diacritical mark used in the Tai Tham script, which is historically employed for writing languages such as Northern Thai (Lanna), Tai Lü, and Khün. This specific sign functions as a vowel or tone marker, altering the pronunciation of the base consonant it attaches to, and its name "Hoy" reflects its curved, hook-like shape in the script. It is part of the Tai Tham block in Unicode, encoded to support the accurate digital representation of this traditional script used in regions of Southeast Asia including northern Thailand, Laos, and parts of Myanmar and China.