Where does “кусати” come from?

кусати (Serbo-Croatian) comes from Proto-Slavic kǫsati, from Proto-Slavic kǫ̑sъ — piece.

Ancestry of “кусати”, step by step

StepLanguageWordMeaning
1Proto-Slavickǫsatito bite
2Proto-Slavickǫ̑sъpiece

Words derived from “кусати

Every word from Proto-Slavic kǫ̑sъEvery word from Proto-Slavic kǫsati