Etymology

double

doub·le
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Today it means: Made up of two matching or complementary elements. Full definition →

Middle English double ← Old French doble ← Latin duplus
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The story

  1. Latin · derived fromduplus“twofold”
  2. Old French · derived fromdoble
  3. Middle English · inherited fromdouble
  4. English todaydouble

PIE word *dwóh₁ Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Indo-European *-plos Proto-Indo-European *dwiplós Proto-Italic *dwiplos Proto-Italic *duplos Latin duplus Old French dobleder. Middle English double English double From Middle English double, from Old French doble, double, from Latin duplus (“twofold”). Doublet of doppio and duple.

Words from the same roots

Latinduplus all →

dupledupiondupletduplifyduplivincularduplo-

Etymology from Wiktionary, CC BY-SA 4.0.