Where does “tournesol” come from?

tournesol (French) comes from Italian tornasole, from Italian tornare, from Latin tornō, from Latin tornus, from Ancient Greek τόρνος, from Proto-Indo-European torh₂no-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

tournesol (French): sunflower; heliotrope; litmus

Definitions

  1. sunflower; heliotrope; litmus

Ancestry of “tournesol”, step by step

tournesol traces back through two separate lines of ancestry.

via Italian tornasole

StepLanguageWordMeaning
1Italiantornasolelitmus
2Italiantornareto return, come back
3Latintornōto turn
4LatintornusA turner's wheel, lathe; A potter's wheel
5Ancient GreekτόρνοςA tool similar to a pair of compasses used to...
6Proto-Indo-Europeantorh₂no-
7Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

via Old French tournesole

StepLanguageWordMeaning
1Old Frenchtournesole
2Latintornāre

Words derived from “tournesol

Every word from Proto-Indo-European terh₁-Every word from Proto-Indo-European torh₂no-Every word from Ancient Greek τόρνος