Where does “бонк” come from?

бонк (Tajik) comes from Persian بانک, from French banque, from Italian banco, from Old High German bank, from Proto-West Germanic banki, from Proto-Germanic bankiz, from Proto-Indo-European bʰeg- — to break.

бонк (Tajik): bank

Definitions

bank

Ancestry of “бонк”, step by step

Step	Language	Word	Meaning
1	Persian	بانک	bank
2	French	banque	bank
3	Italian	banco	desk; counter; bench, table
4	Old High German	bank	bench
5	Proto-West Germanic	banki	bench
6	Proto-Germanic	bankiz	a raised surface; bulge; hillock; slope; bench
7	Proto-Indo-European	bʰeg-	to break

Words derived from “бонк”

бонкдор
бонкдорӣ

Every word from Proto-Indo-European bʰeg- →Every word from Proto-Germanic bankiz →Every word from Proto-West Germanic banki →