knock

*kneu- (Proto-Germanic)

- kōną (Proto-Germanic)

*knukōną (Proto-Germanic)

To pound on; beat on; knock.

cnocian (Old English)

To knock.

knokken (Middle English)

knock (English)

(automotive) Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition or the characteristic knocking sound associated with it.. (cricket) a batsman's innings.. (cycling). (figurative) criticism. An abrupt rapping sound, as from an impact of a hard object against wood. An impact. (ambitransitive, dated) To bump or impact.. (colloquial) To [...]