Where does “plateau” come from?

plateau (French) comes from French plat, from Middle French plat, from Old French plat, from Vulgar Latin plattus, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

plateau (French): flat area; tray; plateau

Definitions

  1. flat area; tray; plateau

Ancestry of “plateau”, step by step

plateau traces back through two separate lines of ancestry.

via French plat

StepLanguageWordMeaning
1Frenchplatflat; a flat area of ground; a flat thing; a flat...
2Middle Frenchplatflat
3Old Frenchplata footbridge
4Vulgar Latinplattusflattened; flat; smooth
5Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
6Proto-Indo-Europeanpléth₂usflat, broad
7Proto-Indo-Europeanpleth₂-flat

via Latin plattus

StepLanguageWordMeaning
1Latinplattusflattened

Words derived from “plateau

Every word from Proto-Indo-European pleth₂-