Where does “शेर” come from?
शेर (Hindi) comes from Classical Persian شیر, from Middle Persian 𐫢𐫃𐫡, from Old Persian šarguš, from Proto-Iranian cárguš, from Proto-Indo-Iranian ćárguš, from Proto-Indo-European ḱérg-ús ~ ḱr̥g-éws.
शेर (Hindi): lion; tiger; couplet
Ancestry of “शेर”, step by step