Where does “свиреп” come from?

свиреп (Bulgarian) comes from Russian свире́пый, from Proto-Slavic *sverěpъ — burdock.

свиреп (Bulgarian): ferocious, savage

Definitions

  1. ferocious, savage

Ancestry of “свиреп”, step by step

StepLanguageWordMeaning
1Russianсвире́пыйbloodthirsty, ferocious, savage
2Proto-Slavic*sverěpъburdock
Every word from Proto-Slavic *sverěpъ →Every word from Russian свире́пый →
свиреп — Etymology, Origin & Word History | Etymology Explorer