Where does “Kältewelle” come from?

Kältewelle (German) comes from German welle, from Middle High German wëlle, from Old High German wella, from Proto-West Germanic wallan, from Proto-Germanic wallaną, from Proto-Indo-European wēlH-, from Proto-Indo-European welH- — to turn, to wind.

Kältewelle (German): cold wave, cold spell

Definitions

  1. cold wave, cold spell

Ancestry of “Kältewelle”, step by step

Kältewelle traces back through two separate lines of ancestry.

via German welle

StepLanguageWordMeaning
1Germanwelleinflection of wellen: ## first-person singular...
2Middle High Germanwëlle
3Old High Germanwellasource
4Proto-West Germanicwallanto well up, spring out, bubble forth
5Proto-Germanicwallanąto well up, spring out, bubble forth
6Proto-Indo-EuropeanwēlH-to roll, to undulate
7Proto-Indo-EuropeanwelH-to turn, to wind

via German Kälte

StepLanguageWordMeaning
1GermanKältecoldness; cold
2Middle High Germankelte
3Old High Germankaltīcoldness
4Proto-Germanic*kaldī
Every word from Proto-Indo-European welH-Every word from Proto-Indo-European wēlH-Every word from Proto-Germanic wallaną
Kältewelle — Etymology, Origin & Word History | Etymology Explorer