Etymograph

English

plateau

Plateau comes from French plat ‘a plate’, and goes back to Proto-Indo-European *pleth₂- ‘to spread, extend’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pleth₂-‘to spread, extend’root as named · steps between not traced
  2. Frenchc. 1600–presentplat‘a plate’
  3. French, derivedc. 1600–presentplateaudiminutive of plat
  4. Englishearliest quotation 2008same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pleth₂-‘to spread, extend’root as named · steps between not traced
  2. Frenchc. 1600–presentplat‘a plate’
  3. French, derivedc. 1600–presentplateaudiminutive of plat
  4. Englishearliest quotation 2008same form

Earliest quotation: 2008, Tara Parker-Pope, Hint of Hope as Child Obesity Rate Hits Plateau: “Childhood obesity, rising for more than two decades, appears…”

Linked words

through Proto-Indo-European *pleth₂- ‘to spread, extend’

plane, flat, platinum, plaza, collateral, piazza, lateral, plantain, flan, plaice, 14 more

through French plat ‘a plate’

platitude, 2 more

Today it means

noun A largely level expanse of land at a high elevation; tableland.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *pleth₂- / plateau