Etymology

peridot

P3E1R1I1D2O1T1

Today it means: A transparent olive green form of olivine, used as a gem. Full definition →

Middle English peritot ← Anglo-Norman peridou ← Middle French perido
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The story

  1. French · borrowed frompéridot
  2. Middle French · derived fromperido
  3. Anglo-Norman · derived fromperidou
  4. Middle English · inherited fromperitot
  5. English todayperidot

From Middle English peritot, from Anglo-Norman peridou, peridout, Middle French perido, peridon, of uncertain origin; later reborrowed from modern French péridot.

Etymology from Wiktionary, CC BY-SA 4.0.