Where does “кълвач” come from?

кълвач (Bulgarian) comes from Bulgarian къ́лва, from Proto-Slavic kľuti, from Proto-Slavic kolti, from Proto-Balto-Slavic kálˀtei, from Proto-Indo-European kolh₂-, from Proto-Indo-European kelh₂- — to beat; to break.

кълвач (Bulgarian): woodpecker (Picus), flicker (Colaptes auratus) usually a male one

Definitions

  1. woodpecker (Picus), flicker (Colaptes auratus) usually a male one

Ancestry of “кълвач”, step by step

StepLanguageWordMeaning
1Bulgarianкъ́лва(of a bird) to peck, to pick
2Proto-Slavickľutito peck, to prickle; to bite
3Proto-Slavickoltito stab, to sting
4Proto-Balto-Slavickálˀteito forge (ambitransitive)
5Proto-Indo-Europeankolh₂-—
6Proto-Indo-Europeankelh₂-to beat; to break
Every word from Proto-Indo-European kelh₂- →Every word from Proto-Indo-European kolh₂- →Every word from Proto-Balto-Slavic kálˀtei →