Cnuwian
Bosworth & Toller Anglo-Saxon Old English Dictionary - cnuwian
According to the Old English Dictionary:
cnuian;
- cnuwian
- p. ode; pp. od To knock, pound; pinsere :-- Genim læfre neoðowearde, cnuwa and wring take the netherward part of a bulrush, pound it and wring, Lchdm. i. 382, 18. Cnua beolenan pound henbane, L. M. 3, 50; Lchdm. ii. 340, 15. DER. ge-cnuwian.