siyahi
Siyahi is a term used in Persian, Urdu, and Hindi written as سیاہی that denotes blackness or darkness, and, in a literal sense, black ink used for writing and drawing. The word appears in poetry and prose to evoke the depth of black color, night, or tearful emotion, and, in manuscript culture, to denote the ink employed by scribes and calligraphers.
Etymology: Siyahi is derived from siyah, meaning black, with the suffix -i forming a noun that indicates
Usage: In everyday language, siyahi refers to ink or the act of writing with ink. In literature
Notes: The term also conveys metaphorical meanings of mystery, depth, or the unknown, consistent with its association