glycosyl

noun

univalent radical derived by the removal of a hydroxyl group from an anomeric carbon atom in a sugar

Wiktionary

noun

Etymology: Etymology tree Ancient Greek γλῠκῠ́ς (glŭkŭ́s) Ancient Greek γλεῦκος (gleûkos)der. French glucose English glucosebf. English -ose English glycose Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English glycosyl From glycose + -yl.

Any functional group derived from a sugar (especially from a monosaccharide) by removal of the hemiacetal hydroxy group.