Where does “استھی” come from?

استھی (Urdu) comes from Sanskrit अस्थि, from Proto-Indo-Iranian HastH-, from Proto-Indo-European h₃ésth₁ — bone.

Ancestry of “استھی”, step by step

StepLanguageWordMeaning
1Sanskritअस्थिa bone; the kernel of a fruit
2Proto-Indo-IranianHastH-—
3Proto-Indo-Europeanh₃ésth₁bone
Every word from Proto-Indo-European h₃ésth₁ →Every word from Proto-Indo-Iranian HastH- →Every word from Sanskrit अस्थि →
استھی — Etymology, Origin & Word History | Etymology Explorer