Where does “гроза” come from?

гроза (Ukrainian) comes from Old East Slavic гроза, from Proto-Slavic groza, from Proto-Balto-Slavic groź-.

гроза (Ukrainian): thunder, thunderstorm

Definitions

  1. thunder, thunderstorm

Ancestry of “гроза”, step by step

StepLanguageWordMeaning
1Old East Slavicгрозаhorror
2Proto-Slavicgrozahorror
3Proto-Balto-Slavicgroź-—
Every word from Proto-Balto-Slavic groź- →Every word from Proto-Slavic groza →Every word from Old East Slavic гроза →