Where does “bólstraský” come from?

bólstraský (Icelandic) comes from Icelandic bólstur, from Old Norse bólstr, from Proto-Germanic bulstraz, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

bólstraský (Icelandic): cumulus

Definitions

  1. cumulus

Ancestry of “bólstraský”, step by step

bólstraský traces back through two separate lines of ancestry.

via Icelandic bólstur

StepLanguageWordMeaning
1Icelandicbólsturbolster, pillow
2Old Norsebólstrbolster, pillow
3Proto-Germanicbulstrazbolster, pillow, cushion
4Proto-Indo-Europeanbʰelǵʰ-to swell
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-—

via Icelandic ský

StepLanguageWordMeaning
1Icelandicskýcloud
2Old Norseskýcloud
3Proto-Germanicskiwjącloud; sky
4Proto-Indo-European(s)kewH-to cover, bedeck; cover
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →