Ge-cnucian

According to the Old English Dictionary:

-cnocian;

ge-cnucian

p. ode, ede, ude; pp. od, ed, ud [cnucian to beat] To beat, pound; tundĕre, pertundĕre :-- Gecnuca hý mid swínenum góre pound it with swine dung, Herb. 9, 3; Lchdm. i. 100, 11. Mid gecnucedum [MS. gecnucedon] ele ŏleo tūso, Ex. 29, 40. Genim ða wyrte gecnucude [gecnocode MS. B.] take the herb pounded, Herb. 64; Lchdm. i. 168, 6. ge-cnucian