Etymology

quadrantanopia

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Today it means: The loss of vision in one or more quadrants of the field of view. Full definition →

English anopia ← Ancient Greek ἀν- (an-) ← Proto-Hellenic *ə-
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The story

  1. Middle Englishquadrant
  2. Englishquadrant
  3. Proto-Indo-European*né
  4. Proto-Indo-European*n̥-
  5. Proto-Hellenic*ə-
  6. Ancient Greekᾰ̓- (ă-)
  7. Ancient Greekἀν- (an-)
  8. Englishan-
  9. Englishanopia
  10. English todayquadrantanopia

From quadrant + anopia.

Etymology from Wiktionary, CC BY-SA 4.0.