Where does “Eigenwärme” come from?

Eigenwärme (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.

Eigenwärme (German): body heat

Definitions

  1. body heat

Ancestry of “Eigenwärme”, step by step

Eigenwärme 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 eigen

StepLanguageWordMeaning
1Germaneigenown, peculiar or private to someone,...
2Middle High Germaneigen
3Old High Germaneiganown; possession, property
4Proto-West Germanicaiganto possess, to own, to have; own
5Proto-Germanic*aiganą
6Proto-Indo-Europeanh₂eh₂óyḱeto possess, to own
7Proto-Indo-Europeanh₂eyḱ-to possess, to own
Every word from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗrEvery word from Proto-Indo-European gʷʰer-Every word from Proto-Germanic warmaz