Etymology

haploinsufficiency

Today it means: The state of a diploid organism having only a single copy of a particular gene, the other copy being inactivated due to mutation Full definition →

English insufficiency ← Ancient Greek ᾰ̔πλόος (hăplóos) ← Proto-Hellenic *hə-
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The story

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sm̥-
  3. Proto-Hellenic*hə-
  4. Ancient Greekᾰ̔- (hă-)
  5. Ancient Greekᾰ̔πλόος (hăplóos)
  6. Englishhaplo-
  7. Englishinsufficiency
  8. English todayhaploinsufficiency

From haplo- + insufficiency.

Etymology from Wiktionary, CC BY-SA 4.0.