The Collaborative International Dictionary
Grutch
Grutch \Grutch\, v.
See Grudge. [Obs.]
--Hudibras.
Douglas Harper's Etymology Dictionary
grutch
c.1200, grucchen, "to murmur, complain," from Old French grouchier "to murmur, to grumble," of unknown origin, probably ultimately imitative. Meaning "to begrudge" is c.1400. Compare gruccild (early 13c.) "woman who complains," from grutch + suffix of unknown origin. Related: Grutched; grutching. As a noun from c.1400.
Wiktionary
grutch
n. A complaint. vb. To murmur, complain.