Where does “ـدین” come from?

ـدین (Chagatai) comes from Proto-Turkic *-den.

Ancestry of “ـدین”, step by step

StepLanguageWordMeaning
1Proto-Turkic*-den

Words derived from “ـدین

Every word from Proto-Turkic *-den
ـدین — Etymology, Origin & Word History | Etymology Explorer