Etymology

acid

A1C3I1D2

Today it means: Sour, sharp, or biting to the taste; tart; having the taste of vinegar. Full definition →

French acide ← Latin acidu ← Proto-Indo-European *dʰeh₁-
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The story

  1. Proto-Indo-European*h₂eḱ-
  2. Proto-Indo-European*h₂eḱéh₁yeti
  3. Proto-Italic*akēō
  4. Latinaceō
  5. Proto-Indo-European*dʰeh₁-
  6. Latinacidu
  7. Frenchacide
  8. English todayacid

From French acide, from Latin acidus (“sour, acid”), from aceō (“to be sour”). Doublet of agita.

Words from the same roots

Latinacidus all →

acidifyacidiferousacidimeteracidimetryacidulcis

Etymology from Wiktionary, CC BY-SA 4.0.