Etymology

fissure

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Today it means: A long, narrow crack or opening made by breaking or splitting, especially in rock or earth. Full definition →

Middle English fissure ← Old French fissure ← Latin fissūra
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The story

  1. Proto-Indo-European*bʰeyd-
  2. Proto-Indo-European*bʰinédti
  3. Proto-Italic*findō
  4. Latinfindō
  5. Latinfissūra
  6. Old Frenchfissure
  7. Middle Englishfissure
  8. English todayfissure

From Middle English fissure, from Old French fissure, from Latin fissūra (“a cleft, chink”), from findō (“to cleave, split, divide”) + -tūra (nominal suffix).

Etymology from Wiktionary, CC BY-SA 4.0.