Etymology

dienophile

D2I1E1N1O1P3H4I1L1E1

Today it means: A compound that readily reacts with a diene; especially an alkene in the Diels-Alder reaction. Full definition →

Ancient Greek φίλος (phílos) ← Proto-Indo-European *bʰil-o-s ← English diene
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Englishdiene
  8. Proto-Indo-European*bʰil-
  9. Proto-Indo-European*bʰil-o-s
  10. Ancient Greekφίλος (phílos)
  11. English todaydienophile

From diene + -o- + -phile.

Etymology from Wiktionary, CC BY-SA 4.0.