Where does “грозовой” come from?

грозовой (Russian) comes from Russian гроза́, from Old East Slavic гроза, from Proto-Slavic groza, from Proto-Balto-Slavic groź-.

грозовой (Russian): thunderstorm

Definitions

  1. thunderstorm

Ancestry of “грозовой”, step by step

StepLanguageWordMeaning
1Russianгроза́terror
2Old East Slavicгрозаhorror
3Proto-Slavicgrozahorror
4Proto-Balto-Slavicgroź-—
Every word from Proto-Balto-Slavic groź- →Every word from Proto-Slavic groza →Every word from Old East Slavic гроза →