Etymology

rancid

ran·cid
R1A1N1C3I1D2

Today it means: Rank in taste or smell. Full definition →

Latin rancidu ← Proto-Indo-European *dʰeh₁-
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The story

  1. Latinranceō
  2. Proto-Indo-European*dʰeh₁-
  3. Latinrancidu
  4. English todayrancid

Learned borrowing from Latin rancidus (“stinking, rank, rancid, offensive”).

Etymology from Wiktionary, CC BY-SA 4.0.