U+1A90 "᪐" Tai Tham Tham Digit Zero Unicode Character

U+1A90 "᪐" Tai Tham Tham Digit Zero is a numerical symbol used within the Tai Tham script, which is traditionally employed to write the Tai Lue, Khün, and Northern Thai languages. As its name indicates, this character represents the digit zero in the decimal numeral system of the Tai Tham writing tradition, functioning similarly to the Arabic numeral "0" to denote a placeholder value in numerical sequences. It belongs to the Unicode block designated for Tai Tham script, which was added to the standard to support the digital preservation and representation of historic and modern texts from these Southeast Asian cultures.