Where does “bız” come from?

bız (Zazaki) comes from Proto-Iranian bujáh, from Proto-Indo-Iranian bʰuȷ́ás, from Proto-Indo-European bʰuǵ-, from Proto-North Caucasian bVχc̣V, from Proto-North Caucasian bVc̣V — young he-goat.

Ancestry of “bız”, step by step

bız traces back through two separate lines of ancestry.

via Proto-Iranian bujáh

StepLanguageWordMeaning
1Proto-Iranianbujáhgoat
2Proto-Indo-Iranianbʰuȷ́ásgoat
3Proto-Indo-Europeanbʰuǵ-buck, he-goat
4Proto-North CaucasianbVχc̣V
5Proto-North CaucasianbVc̣Vyoung he-goat

via Proto-Turkic bi-ŕ

StepLanguageWordMeaning
1Proto-Turkicbi-ŕwe
Every word from Proto-North Caucasian bVc̣V