Un-gewitfæstness
Bosworth & Toller Anglo-Saxon Old English Dictionary - un-gewitfæstness
According to the Old English Dictionary:
e;
- un-gewitfæstness
- f. Madness :-- Him cymð brægenes ádl and ungewitfæstnes him bið he will be out of his senses, Lchdm. ii. 222, 3. un-gewitfæstness