Inherited from Proto-Indo-Iranian *Hástʰ-, from Proto-Indo-European *h₃ésth₁.
Compare with Persian است (ast) and استخوان (ostoxân), Khwarezmian استیک (ʾstyk /*astək/)/استک (ʾstk /*astək/), and Sanskrit अस्थि (asthi)
𐬀𐬯𐬙 • (ast-) n