Etymology

keratoconjunctivitis

Today it means: The inflammation of the cornea and conjunctiva of the eye, often caused by infections, allergies, dryness, or irritation. Full definition →

English conjunctivitis ← Ancient Greek κέρᾰς (kérăs) ← Proto-Hellenic *kérats
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The story

  1. Proto-Indo-European*ḱer-
  2. Proto-Indo-European*ḱerh₂-
  3. Proto-Hellenic*kérats
  4. Ancient Greekκέρᾰς (kérăs)
  5. Englishkerato-
  6. Englishconjunctiva
  7. Englishconjunctivitis
  8. English todaykeratoconjunctivitis

From kerato- + conjunctivitis.

Etymology from Wiktionary, CC BY-SA 4.0.