Ge-cnyssan

According to the Old English Dictionary:

-cnysan;

ge-cnyssan

p. ede, de; pp. ed [cnyssan to press, trouble] To press, trouble, strike, beat, overcome; prĕmĕre, trībŭlāre, pulsāre, īcĕre :-- Unsóþfæstne wet yfel gcnysseþ vĭrum injustum măla căpient, Ps. Th. 139, 11. Gecnyssed ictus, Ælfc. Gr. 43; Som. 44, 55. Wurdon Rómáne gecnysede the Romans were overcome, Ors. 3, 11; Bos. 71, 19. ge-cnyssan