noun
Siddham script; Siddham characters
Refers to the Siddham script, an ancient Indian writing system used historically in East Asian Buddhism for writing Sanskrit mantras and seed syllables.
from Sanskrit
お寺で悉曇の文字を見たことがありますか。
Have you ever seen Siddham characters at a temple?
noun
Siddham studies
Abbreviation of 悉曇学 (しったんがく), the academic study of the Siddham script and related Buddhist texts.
See also: 悉曇学
彼は大学で悉曇を専攻している。
He is majoring in Siddham studies at university.