Knock

Morpheme

Knock

Type

free base

Denotation

pound on, beat

Etymology

Middle English knokken; Old English cnocian, cnucian; probably of onomatopoeic origin

Evidence

antiknock, doorknock, knock, knockback, knockdown, knocked, knocker, knockers, knocking, knockingly, knockmeter, knockoff, knockout, knockproof, knocks, knockstone, knocky, unknocked, unknocking