Etymology

mosaicism

M3O1S1A1I1C3I1S1M3

Today it means: The condition in which more than one genetically distinct population of cells coexist within one individual. Full definition →

English mosaic ← Middle French mosaïque ← Italian mosaico
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The story

  1. Ancient GreekΜοῦσᾰ (Moûsă)
  2. Ancient GreekΜουσεῖον (Mouseîon)
  3. Ancient Greekμουσεῖον (mouseîon)
  4. Late Latinmūsīvum
  5. Medieval Latinmusaicum
  6. Italianmosaico
  7. Middle Frenchmosaïque
  8. Englishmosaic
  9. English todaymosaicism

From mosaic + -ism.

Etymology from Wiktionary, CC BY-SA 4.0.