Where does “heliotaxis” come from?

heliotaxis (English) comes from English helio, from English heliotrope, from French héliotrope, from Latin heliotropium, from Ancient Greek ἡλιοτρόπιον, from Ancient Greek Ἥλιος, from Ancient Greek τύπος, from Ancient Greek τύπτω — to push, to hit.

heliotaxis (English): Phototaxis related to the sun

Definitions

  1. Phototaxis related to the sun

Ancestry of “heliotaxis”, step by step

heliotaxis traces back through two separate lines of ancestry.

via English helio

StepLanguageWordMeaning
1EnglishhelioA heliotrope
2EnglishheliotropeA plant that turns so that it faces the sun; A...
3Frenchhéliotropeheliotrope
4Latinheliotropiumheliotrope
5Ancient Greekἡλιοτρόπιονheliotrope; sundial, solar clock; bloodstone, a...
6Ancient GreekἭλιοςsun
7Ancient GreekτύποςA blow, pressing; The results of a blow: mark,...
8Ancient Greekτύπτωto beat, strike, smite; to beat, strike oneself
9Proto-Indo-European(s)tewp-to push, to stick
10Proto-Indo-European(s)tew-to push, to hit

via English taxis

StepLanguageWordMeaning
1EnglishtaxisThe directional movement of an organism in...
2Ancient Greekτάξιςarrangement, ordering; battle array, order of...
3Ancient Greek-σῐς"suffix forming nouns"
4Ancient Greek-τιςretained after dentals
5Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European (s)tew-