The story
- Middle English · inherited fromgrouchen
- English todaygrouch
From Middle English grouchen, variant of grucchen (“to complain, mumble, murmur”). See grutch.
First known use, by meaning
- from the late 19th c A complaint, a grumble, a fit of ill-humor.
- from the early 20th c One who is grumpy or irritable.
- from the early 20th c. To be grumpy or irritable; to complain.
Etymology from Wiktionary, CC BY-SA 4.0.