Where does “vyörypilvi” come from?

vyörypilvi (Finnish) comes from Finnish Pilvi, from Finnish pilvi, from Proto-Finnic pilvi, from Proto-Uralic pilwe — cloud.

vyörypilvi (Finnish): roll cloud, arcus cloud

Definitions

  1. roll cloud, arcus cloud

Ancestry of “vyörypilvi”, step by step

vyörypilvi traces back through two separate lines of ancestry.

via Finnish Pilvi

StepLanguageWordMeaning
1FinnishPilvicloud visible mass of water droplets suspended in the air; mass of dust, steam or smoke
2Finnishpilvicloud; hashish, marijuana
3Proto-Finnicpilvicloud
4Proto-Uralicpilwecloud

via Finnish vyöry

StepLanguageWordMeaning
1Finnishvyörylandslide; avalanche; Indicative present...
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns
Every word from Proto-Uralic pilweEvery word from Proto-Finnic pilviEvery word from Finnish pilvi
vyörypilvi — Etymology, Origin & Word History | Etymology Explorer