Where does “växelström” come from?

växelström (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.

växelström (Swedish): alternating current

Definitions

  1. alternating current

Ancestry of “växelström”, step by step

växelström 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 växel

StepLanguageWordMeaning
1Swedishväxelchange; a bill of exchange; a railroad switch
2Old Norsevíxl
3Proto-Germanicwihslazchange
4Proto-Indo-Europeanweyk-to separate, to choose; to contain, to envelop;...
5Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...
Every word from Proto-Indo-European ser-Every word from Proto-Indo-European srew-Every word from Proto-Indo-European srowmos