U+1159A "𑖚" Siddham Letter Dda Unicode Character

U+1159A "𑖚" Siddham Letter Dda is a character from the Siddham script, an abugida historically used in East Asia for writing Sanskrit, particularly in Buddhist liturgical and artistic contexts. This character represents the retroflex voiced stop consonant "ḍa" or "dda," and its form contributes to the intricate visual vocabulary of Siddham, which was central to esoteric Buddhist practices and manuscripts, especially in Japan where it is known as Shittan or Bonji. Today, this letter is supported in modern digital systems as part of Unicode's dedication to preserving historical and religious scripts for academic and cultural use.