Etymology

cyanosis

C3Y4A1N1O1S1I1S1

Today it means: A blue discolouration of the skin due to the circulation of blood low in oxygen. Full definition →

English cyano- ← Ancient Greek κῠᾰ́νεος (kŭắneos) ← Proto-Hellenic *kúwanos
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The story

  1. Proto-Indo-European*ḱwey-
  2. Proto-Hellenic*kúwanos
  3. Ancient Greekκῠ́ᾰνος (kŭ́ănos)
  4. Ancient Greekκῠᾰ́νεος (kŭắneos)
  5. Englishcyano-
  6. English todaycyanosis

From cyano- + -osis.

Etymology from Wiktionary, CC BY-SA 4.0.