Where does “Reaktionswärme” come from?

Reaktionswärme (German) comes from German Reaktion, from Latin reactio, from Latin reago, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro- — passed , crossed.

Reaktionswärme (German): heat of reaction

Definitions

  1. heat of reaction

Ancestry of “Reaktionswärme”, step by step

Reaktionswärme traces back through two separate lines of ancestry.

via German Reaktion

StepLanguageWordMeaning
1GermanReaktionresponse; reaction
2Latinreactioreaction
3LatinreagoI act upon again, I do again; I react
4Latinrĕ-back, backwards
5Latinprōdūcōto lead or bring forth, forward or out
6Latinprō-forward direction, forward movement
7Proto-Italic*pro-pro- see the Latin entry for further meanings
8Proto-Indo-Europeanpro-toward, forward
9Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed

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—
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Latin rĕ- →