Etymology

ichthyosis

ich·thy·o·sis
I1C3H4T1H4Y4O1S1I1S1

Today it means: Any of a group of genetic skin disorders characterized by dry, thickened, scaly skin. Full definition →

New Latin ichthyōsi ← Ancient Greek ῐχθῠ́ωσις (ĭkhthŭ́ōsis) ← Proto-Hellenic *ikʰtʰū́s
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The story

  1. Proto-Indo-European*dʰǵʰúHs?
  2. Proto-Hellenic*ikʰtʰū́s
  3. Ancient Greekῐ̓χθῡ́ς (ĭkhthū́s)
  4. Ancient Greekῐχθῠ́ωσις (ĭkhthŭ́ōsis)
  5. New Latinichthyōsi
  6. English todayichthyosis

Learned borrowing from New Latin ichthyōsis. By surface analysis, ichthyo- + -osis. First attested in 1815.

Etymology from Wiktionary, CC BY-SA 4.0.