Where does “Куршумов” come from?

Куршумов (Bulgarian) comes from Bulgarian куршум, from Ottoman Turkish قورشون, from Common Turkic korgušïn, from Proto-Turkic *korguĺčïn — lead (metal).

Ancestry of “Куршумов”, step by step

StepLanguageWordMeaning
1Bulgarianкуршумbullet
2Ottoman Turkishقورشونlead; bullet
3Common Turkickorgušïnlead
4Proto-Turkic*korguĺčïnlead (metal)
Every word from Proto-Turkic *korguĺčïnEvery word from Common Turkic korgušïnEvery word from Ottoman Turkish قورشون