Where does “بیڭباشی” come from?

بیڭباشی (Ottoman Turkish) comes from Ottoman Turkish باش, from Old Anatolian Turkish بَاشْ, from Proto-Turkic baĺč — head; beginning.

بیڭباشی (Ottoman Turkish): lieutenant colonel

Definitions

Step	Language	Word	Meaning
1	Ottoman Turkish	باش	head; chief, master, leader, head; prow, bow,...
2	Old Anatolian Turkish	بَاشْ	—
3	Proto-Turkic	baĺč	head; beginning

بیڭباشی — Etymology, Origin & Word History | Etymology Explorer