Where does “кремењак” come from?

кремењак (Serbo-Croatian) comes from Serbo-Croatian кре̏ме̄н, from Proto-Slavic kremy, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

Definitions

Ancestry of “кремењак”, step by step

StepLanguageWordMeaning
1Serbo-Croatianкре̏ме̄нflint
2Proto-Slavickremyflint
3Proto-Indo-European(s)ker-to cut off; to turn, bend
4Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European sek- →Every word from Proto-Indo-European (s)ker- →Every word from Proto-Slavic kremy →