Where does “بازو” come from?

بازو (Classical Persian) comes from Old Persian 𐎲𐎠𐏀𐎢, from Proto-Iranian baHjúh, from Proto-Indo-Iranian bʰaHȷ́ʰúš, from Proto-Indo-European bʰāǵʰus — arm.

Ancestry of “بازو”, step by step

Step	Language	Word	Meaning
1	Old Persian	𐎲𐎠𐏀𐎢	—
2	Proto-Iranian	baHjúh	—
3	Proto-Indo-Iranian	bʰaHȷ́ʰúš	arm
4	Proto-Indo-European	bʰāǵʰus	arm

Every word from Proto-Indo-European bʰāǵʰus →

بازو — Etymology, Origin & Word History | Etymology Explorer