Etymology

polyunsaturated

P3O1L1Y4U1N1S1A1T1U1R1A1T1E1D2

Today it means: Of or relating to long chain organic compounds that have multiple double bonds; polyunsaturated fatty acids are essential to human nutrition. Full definition →

English unsaturated ← Middle English un- ← Old English un-
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Proto-Indo-European*né
  6. Proto-Indo-European*n̥-
  7. Proto-Germanic*un-
  8. Proto-West Germanic*un-
  9. Old Englishun-
  10. Middle Englishun-
  11. Englishun-
  12. Englishsaturated
  13. Englishunsaturated
  14. English todaypolyunsaturated

From poly- + unsaturated.

Etymology from Wiktionary, CC BY-SA 4.0.