Where does “Косоров” come from?

Косоров (Bulgarian) comes from Romanian cosor, from Old Church Slavonic косорь, from Proto-Slavic *kosorь.

Ancestry of “Косоров”, step by step

StepLanguageWordMeaning
1Romaniancosorpruning knife
2Old Church Slavonicкосорь—
3Proto-Slavic*kosorь—
Every word from Proto-Slavic *kosorь →Every word from Old Church Slavonic косорь →Every word from Romanian cosor →