Etymology Explorer › English

Where does “gravireaction” come from?

gravireaction (English) comes from English reäction, from Middle English reaccion, from Old French reaction, from Latin reactio, from Latin reago, from Latin rĕ-, from Latin prōdūcō, from Latin prō- — passed , crossed.

gravireaction (English): reaction to gravity, such as gravitropism in a...

Definitions

  1. reaction to gravity, such as gravitropism in a...

Ancestry of “gravireaction”, step by step

StepLanguageWordMeaning
1EnglishreäctionRare spelling of reaction
2Middle Englishreaccion—
3Old Frenchreaction—
4Latinreactioreaction
5LatinreagoI act upon again, I do again; I react
6Latinrĕ-—
7Latinprōdūcō—
8Latinprō-—
9Proto-Italic*pro-—
10Proto-Indo-Europeanpro-toward, forward
11Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
12Proto-Indo-Europeanper-before, in front; first; to go through
13Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós →