U+1A75 "᩵" Tai Tham Sign Tone-1 Unicode Character

U+1A75 "᩵" Tai Tham Sign Tone-1 is a diacritical mark used in the Tai Tham script, which is traditionally employed for writing languages such as Northern Thai (Lanna), Tai Lü, and Khün. This specific sign indicates the first tonal mark in the script's system, modifying the syllable it attaches to in order to produce a distinct linguistic tone. The character is designed as a small symbol placed above or adjacent to a consonant or vowel base, and it plays a crucial role in distinguishing meaning between words that would otherwise be written the same. Its inclusion in the Unicode standard ensures proper digital representation and support for the historical and contemporary use of the Tai Tham writing system.