knokken

Etymology
First attested in the early 18th century. Probably. The simplification of to  was already widespread around 1700, but not at all general. (In fact, some northern English dialects retained until the recent past.) Moreover, the word may have been borrowed into Dutch some time before its first appearance in writing. Accordingly there is no phonetic objection to English origin. Alternatively, however, it might have been derived from, a variant of.

Verb

 * 1)  to brawl, to fight (physically)
 * 2)  to hit, beat, dust up

Etymology
From, from , from. Forms with a short vowel are possibly due to.

Verb

 * 1) To pound; to beat down.
 * 2) To strike with a weapon or one's head
 * 3) To knock or rap on something.
 * 4) To beat against the breast.
 * 5) To pulverise; to crush to bits.
 * 6)  To assault; to attack.
 * 1)  To assault; to attack.