Etymology

coincidental

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Today it means: Occurring as or resulting from coincidence. Full definition →

English incidental ← Proto-Indo-European *h₂élisder.? ← Latin co-
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The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Englishincident
  9. Proto-Indo-European*h₂el-
  10. Proto-Indo-European*h₂élisder.?
  11. Englishincidental
  12. English todaycoincidental

From co- + incidental.

Etymology from Wiktionary, CC BY-SA 4.0.