Where does “virvelstorm” come from?

virvelstorm (Norwegian Bokmål) comes from Norwegian Bokmål virvel, from Old Norse hvirfill, from Proto-Germanic hwirbilaz, from Proto-Germanic -ilaz, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

virvelstorm (Norwegian Bokmål): 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 Bokmål virvel

StepLanguageWordMeaning
1Norwegian Bokmålvirvelvortex; vertebra; the point on the head where the...
2Old Norsehvirfillcircle, ring; crown of the head
3Proto-Germanichwirbilazcircle, ring, whirl
4Proto-Germanic-ilazagent suffix; diminutive suffix
5Proto-Indo-European-lósForms agent nouns from verbal roots

via Norwegian Bokmål storm

StepLanguageWordMeaning
1Norwegian Bokmålstorma storm; imperative of storme
2Old Norsestormrstorm
3Proto-Germanicsturmazstorm
4Proto-Indo-European(s)twer-to rotate, swirl, twirl, move around; to turn...
Every word from Proto-Indo-European -lós