Etymology

octophobia

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Today it means: The irrational fear of the number eight. Full definition →

English octo- ← Latin octō ← Proto-Italic *oktō
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The story

  1. Proto-Indo-European*oḱtṓw
  2. Proto-Hellenic*oktṓ
  3. Ancient Greekὀκτώ (oktṓ)
  4. Proto-Indo-European*oḱtṓw
  5. Proto-Italic*oktō
  6. Latinoctō
  7. Englishocto-
  8. English todayoctophobia

From octo- + -phobia.

Etymology from Wiktionary, CC BY-SA 4.0.