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
