mid-15c., "to murmur, complain," variant of grutch. Meaning "to begrudge, envy, wish to deprive of" is c. 1500. Related: Grudged; grudges; grudging; grudgingly.
grudge (n.)
"ill will excited by some special cause," late 15c., from grudge (v.).
holding a grudge
grubber
grubby
grubelsucht
grub-stake
Grub-street
grudge
gruel
gruelling
gruesome
gruff
gruffly