For-sworcenness

According to the Old English Dictionary:

e;

for-sworcenness

f. Obscurity, darkness :-- On forsworcennesse sweartes þrosmes and ðæs weallendan pices, Wlfst. 139, 1. Næfð mín niht náne forsworcennysse, Hml. Th. i. 428, 30. Forsworcennyssa obscura, Hy. S. 23, 31: 37, 4. for-sworcenness