Where does “Wärmepumpe” come from?

Wärmepumpe (German) comes from German Wärme, from Middle High German werme, from Old High German warmī, from Old High German warm, from Proto-West Germanic warm, from Proto-Germanic warmaz, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.

Wärmepumpe (German): heat pump

Definitions

  1. heat pump

Ancestry of “Wärmepumpe”, step by step

Wärmepumpe traces back through two separate lines of ancestry.

via German Wärme

StepLanguageWordMeaning
1GermanWärmewarmth; heat
2Middle High Germanwerme—
3Old High Germanwarmīwarmth
4Old High Germanwarmwarm
5Proto-West Germanicwarmwarm
6Proto-Germanicwarmazwarm
7Proto-Indo-Europeangʷʰer-warm, hot
8Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr—

via German Pumpe

StepLanguageWordMeaning
1GermanPumpepump; heart
2Middle Low Germanpumpepump; a pump
3Middle Dutchpompedevice for raising water, pump; pipe, water...
Every word from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr →