Etymology

acyanopia

A1C3Y4A1N1O1P3I1A1

Today it means: A form of color blindness: the inability to distinguish blue. Full definition →

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

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)
  5. Englisha-
  6. Proto-Indo-European*ḱwey-
  7. Proto-Hellenic*kúwanos
  8. Ancient Greekκῠ́ᾰνος (kŭ́ănos)
  9. Ancient Greekκῠᾰ́νεος (kŭắneos)
  10. Englishcyano-
  11. English todayacyanopia

From a- + cyano- + -opia.

Etymology from Wiktionary, CC BY-SA 4.0.