Meaning

originFrom Middle English knarre (“a crag; twisted rock; knot in wood”), probably from Old English *cnearra, which could be related to cnotta. Cognate with Dutch knar, knor (“gnarl, knot”), German Low German Knurre, Knur (“knot in wood”), German Knorren (“knot in wood”). Related also to English knurl and gnarl.

Etymology from Wiktionary, CC BY-SA 3.0