U+1A72 "ᩲ" Tai Tham Vowel Sign Tham Ai Unicode Character

U+1A72 "ᩲ" Tai Tham Vowel Sign Tham Ai is a combining diacritical mark used in the Tai Tham script, which is traditionally employed to write the Northern Thai (Kam Mueang), Tai Lue, and Khün languages. This vowel sign represents the sound "ai" and is attached to a consonant symbol to modify its pronunciation, often appearing as a raised mark above or near the consonant. Found in the Tai Tham block of Unicode, it is part of a complex writing system that includes both consonant and vowel signs, reflecting the script's historical use for palm-leaf manuscripts and religious texts in Southeast Asia, particularly in northern Thailand, Laos, and parts of Myanmar and China.