Where does “hvirvelstorm” come from?

hvirvelstorm (Danish) comes from Danish hvirvel, from Old Norse hvirfilvindr, from Old Norse vindr, from Proto-Germanic windaz, from Proto-Indo-European h₂wéh₁n̥ts, from Proto-Indo-European h₂wḗh₁ti, from Proto-Indo-European h₂weh₁- — to blow.

hvirvelstorm (Danish): a cyclone, tornado, typhoon

Definitions

  1. a cyclone, tornado, typhoon

Ancestry of “hvirvelstorm”, step by step

hvirvelstorm traces back through two separate lines of ancestry.

via Danish hvirvel

StepLanguageWordMeaning
1Danishhvirvelvortex; vertebra; the point on the head where the...
2Old Norsehvirfilvindrwhirlwind
3Old Norsevindrwind; awry; second/third-person singular present...
4Proto-Germanicwindazwind
5Proto-Indo-Europeanh₂wéh₁n̥tsblowing; that which blows; the wind, air
6Proto-Indo-Europeanh₂wḗh₁tito blow
7Proto-Indo-Europeanh₂weh₁-to blow

via Danish Storm

StepLanguageWordMeaning
1DanishStormstorm
2Old Danishstorm
3Old Norsestormrstorm
4Proto-Germanicsturmazstorm
5Proto-Indo-European(s)twer-to rotate, swirl, twirl, move around; to turn...
Every word from Proto-Indo-European h₂weh₁-