Where does “växelvarm” come from?

växelvarm (Swedish) comes from Swedish varm, from Old Swedish varmber, from Old Norse varmr, from Proto-Germanic warmaz, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.

växelvarm (Swedish): ectothermic

Definitions

  1. ectothermic

Ancestry of “växelvarm”, step by step

växelvarm traces back through two separate lines of ancestry.

via Swedish varm

StepLanguageWordMeaning
1Swedishvarmwarm, hot; of high temperature; warm, caring
2Old Swedishvarmberwarm
3Old Norsevarmrwarm
4Proto-Germanicwarmazwarm
5Proto-Indo-Europeangʷʰer-warm, hot
6Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr

via Swedish växla

StepLanguageWordMeaning
1Swedishväxlato (cause to) switch, to (cause to) change (between more-or-less discrete things)
2Proto-Germanicwihslōnąto change; exchange; swap; trade; reciprocate
3Proto-Indo-Europeanweyḱ-to enter in; to settle; settlement
4Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...
Every word from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗrEvery word from Proto-Indo-European gʷʰer-Every word from Proto-Germanic warmaz