Where does “Курков” come from?

Курков (Bulgarian) comes from Romanian curcă, from Bulgarian курка, from Proto-Slavic kurъka.

Ancestry of “Курков”, step by step

StepLanguageWordMeaning
1Romaniancurcăturkey-hen
2Bulgarianкуркаwild hen; turkey hen
3Proto-Slavickurъka—
Every word from Proto-Slavic kurъka →Every word from Bulgarian курка →Every word from Romanian curcă →