Where does “virvelström” come from?

virvelström (Swedish) comes from Swedish ström, from Old Swedish strömber, from Old Norse straumr, from Proto-Germanic straumaz, from Proto-Indo-European srowmos, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

virvelström (Swedish): a (water) vortex

Definitions

  1. a (water) vortex

Ancestry of “virvelström”, step by step

virvelström traces back through two separate lines of ancestry.

via Swedish ström

StepLanguageWordMeaning
1Swedishströmcurrent, flow; the part of a fluid that moves...
2Old Swedishströmber
3Old Norsestraumra stream, a current, a race, a river; the tide
4Proto-Germanicstraumazstream, current, river
5Proto-Indo-Europeansrowmosriver
6Proto-Indo-Europeansrew-to flow, stream
7Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

via Swedish virvel

StepLanguageWordMeaning
1Swedishvirvela vortex, a whirl
Every word from Proto-Indo-European ser-Every word from Proto-Indo-European srew-Every word from Proto-Indo-European srowmos