Etymology

diallyl

D2I1A1L1L1Y4L1

Today it means: Two allyl groups in a compound Full definition →

English allyl ← Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.?
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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. Latinālium
  8. Latinallium
  9. Proto-Indo-European*swel-der.?
  10. Ancient Greekῡ̔́λη (hū́lē)
  11. Englishallyl
  12. English todaydiallyl

From di- + allyl.

Etymology from Wiktionary, CC BY-SA 4.0.