Etymology

glycosyl

G2L1Y4C3O1S1Y4L1

Today it means: Any functional group derived from a sugar (especially from a monosaccharide) by removal of the hemiacetal hydroxy group. Full definition →

Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.? ← English glycose
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The story

  1. Proto-Hellenic*dlukús
  2. Ancient Greekγλῠκῠ́ς (glŭkŭ́s)
  3. Proto-Hellenic*dléukus?
  4. Ancient Greekγλεῦκος (gleûkos)
  5. Frenchglucose
  6. Englishglucosebf.
  7. Englishglycose
  8. Proto-Indo-European*swel-der.?
  9. Ancient Greekῡ̔́λη (hū́lē)
  10. English todayglycosyl

From glycose + -yl.

Etymology from Wiktionary, CC BY-SA 4.0.