Felle-wærc
Bosworth & Toller Anglo-Saxon Old English Dictionary - felle-wærc
According to the Old English Dictionary:
es;
- felle-wærc
- n. The falling sickness, epilepsy; epĭlepsia = έπιληψία :-- Ðæt deáh wið fellewærce it is good for epilepsy, L. M. 2, 1; Lchdm. ii. 178, 8.