Where does “кровопускание” come from?

кровопускание (Russian) comes from Russian кровь, from Old East Slavic крꙑ, from Proto-Slavic kry, from Proto-Balto-Slavic krū́ˀs, from Proto-Indo-European kréwh₂s, from Proto-Indo-European krewh₂- — blood outside the body.

кровопускание (Russian): bloodletting

Definitions

  1. bloodletting

Ancestry of “кровопускание”, step by step

кровопускание traces back through two separate lines of ancestry.

via Russian кровь

StepLanguageWordMeaning
1Russianкровьblood
2Old East Slavicкрꙑblood
3Proto-Slavickryblood
4Proto-Balto-Slavickrū́ˀsblood
5Proto-Indo-Europeankréwh₂sblood
6Proto-Indo-Europeankrewh₂-blood outside the body

via Russian пуска́ть

StepLanguageWordMeaning
1Russianпуска́тьto let go, to relinquish
2Old East Slavicпускати—
Every word from Proto-Indo-European krewh₂- →Every word from Proto-Indo-European kréwh₂s →Every word from Proto-Balto-Slavic krū́ˀs →