Where does “крволок” come from?

крволок (Serbo-Croatian) comes from Serbo-Croatian кр̑в, from Proto-Slavic kry, from Proto-Balto-Slavic krū́ˀs, from Proto-Indo-European kréwh₂s, from Proto-Indo-European krewh₂- — blood outside the body.

крволок (Serbo-Croatian): bloodsucker; executioner, hangman

Definitions

  1. bloodsucker; executioner, hangman

Ancestry of “крволок”, step by step

крволок traces back through two separate lines of ancestry.

via Serbo-Croatian кр̑в

StepLanguageWordMeaning
1Serbo-Croatianкр̑вblood
2Proto-Slavickryblood
3Proto-Balto-Slavickrū́ˀsblood
4Proto-Indo-Europeankréwh₂sblood
5Proto-Indo-Europeankrewh₂-blood outside the body

via Serbo-Croatian локати

StepLanguageWordMeaning
1Serbo-Croatianлокатиto drink, lap (suddenly, with an accompanying sound)
2Proto-Slaviclokatito lap
3Proto-Balto-Slaviclak-—
Every word from Proto-Indo-European krewh₂- →Every word from Proto-Indo-European kréwh₂s →Every word from Proto-Balto-Slavic krū́ˀs →