Where does “бльвати” come from?

бльвати (Old East Slavic) comes from Proto-Slavic bľьvati, from Proto-Indo-European bʰleu-.

Ancestry of “бльвати”, step by step

StepLanguageWordMeaning
1Proto-Slavicbľьvatito vomit, to puke
2Proto-Indo-Europeanbʰleu-—

Words derived from “бльвати”

Every word from Proto-Indo-European bʰleu- →Every word from Proto-Slavic bľьvati →
бльвати — Etymology, Origin & Word History | Etymology Explorer