U+1A99 "᪙" Tai Tham Tham Digit Nine Unicode Character

U+1A99 "᪙" Tai Tham Tham Digit Nine is a numerical symbol used in the Tai Tham script, an abugida historically employed for writing languages such as Northern Thai (Lan Na), Tai Lü, and Khün. This digit represents the number nine and belongs to the Tai Tham Digits block, which encodes the ten digits of the script's decimal numeral system. The character is notable for its distinctive curved form, which differs from both Arabic and Indic digit shapes, and it is used within traditional manuscripts, calendars, and modern digital texts to denote numerical values in cultures that historically utilized or continue to use the Tai Tham writing system.