Where does “شیر” come from?

شیر (Urdu) 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.

شیر (Urdu): lion; tiger; milk

Definitions

lion; tiger; milk

Ancestry of “شیر”, step by step

Step	Language	Word	Meaning
1	Classical Persian	شیر	—
2	Middle Persian	𐫢𐫃𐫡	lion
3	Old Persian	šarguš	lion
4	Proto-Iranian	cárguš	lion
5	Proto-Indo-Iranian	ćárguš	predatory animal
6	Proto-Indo-European	ḱérg-ús ~ ḱr̥g-éws	—

Every word from Proto-Indo-European ḱérg-ús ~ ḱr̥g-éws →Every word from Proto-Indo-Iranian ćárguš →Every word from Proto-Iranian cárguš →