Where does “zelva” come from?

zelva (Old Czech) comes from Proto-Slavic zъly, from Proto-Balto-Slavic *źulūˀ, from Proto-Indo-European *ǵl̥h₂ōws — sister-in-law (husband's sister).

Ancestry of “zelva”, step by step

StepLanguageWordMeaning
1Proto-Slaviczъlysister-in-law
2Proto-Balto-Slavic*źulūˀ—
3Proto-Indo-European*ǵl̥h₂ōwssister-in-law (husband's sister)

Words derived from “zelva”

Every word from Proto-Indo-European *ǵl̥h₂ōws →Every word from Proto-Balto-Slavic *źulūˀ →Every word from Proto-Slavic zъly →