Where does “virvelstorm” come from?

virvelstorm (Norwegian Nynorsk) comes from Norwegian Nynorsk storm, from Old Norse stormr, from Proto-Germanic sturmaz, from Proto-Indo-European (s)twer- — to rotate, swirl, twirl, move around; to turn...

virvelstorm (Norwegian Nynorsk): a cyclone, tornado, typhoon

Definitions

  1. a cyclone, tornado, typhoon

Ancestry of “virvelstorm”, step by step

virvelstorm traces back through two separate lines of ancestry.

via Norwegian Nynorsk storm

StepLanguageWordMeaning
1Norwegian Nynorskstormstorm (a very strong wind, stronger than a gale, less than a hurricane)
2Old Norsestormrstorm
3Proto-Germanicsturmazstorm
4Proto-Indo-European(s)twer-to rotate, swirl, twirl, move around; to turn...

via Norwegian Nynorsk virvel

StepLanguageWordMeaning
1Norwegian Nynorskvirvel
Every word from Proto-Indo-European (s)twer-Every word from Proto-Germanic sturmazEvery word from Old Norse stormr