For-gnidennys

According to the Old English Dictionary:

-nyss, e;

for-gnidennys

f. Contrition, sorrow; contrītio :-- Tobrytednys oððe forgnidennys and ungesǽlignys [syndon] on wegum heora contrītio et infēlĭcĭtas [sunt] in viis eōrum. Ps. Lamb. 13, 3. for-gnidennys