Morpheme
Grouch
Type
free base
Denotation
complain, mumble, murmur
Etymology
probable variant of grutch; Middle English gruggen, grucchen; Old French grouchier, grocier; probably of onomatopoeic origin
Evidence
begrouch, grouch, grouched, groucher, grouches, grouchier, grouchies, grouchiest, grouchily, grouchiness, grouching, grouchy, ungrouchy