Where does “Helvétius” come from?

Helvétius (French) comes from Latin helvetius, from Gaulish etu- — terrain, grassland.

Ancestry of “Helvétius”, step by step

StepLanguageWordMeaning
1Latinhelvetiusof or pertaining to the Helvetii; Helvetian
2Gaulishetu-terrain, grassland

Words derived from “Helvétius”

Every word from Gaulish etu- →Every word from Latin helvetius →
Helvétius — Etymology, Origin & Word History | Etymology Explorer