Etymology

jealousy

jeal·ous·y
J8E1A1L1O1U1S1Y4

Today it means: A state of being jealous; a jealous attitude. Full definition →

Middle English jalousie ← Old French jalousie
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The story

  1. Old Frenchjalousie
  2. Middle Englishjalousie
  3. English todayjealousy

From Middle English jalousie, from Old French jalousie, equivalent to jealous + -y. Doublet of jalousie. Related also to zeal, zealous. Displaced native Old English æfest and Old English nīþ.

Etymology from Wiktionary, CC BY-SA 4.0.