Fylle-seócnys
Bosworth & Toller Anglo-Saxon Old English Dictionary - fylle-seócnys
According to the Old English Dictionary:
-nyss, e;
- fylle-seócnys
- f. The falling sickness, epilepsy; ĕpĭlepsia = GREEK :-- Wið fylleseócnysse for the falling sickness, Herb. 61, 3; Lchdm. i. 164, 9. fylle-seocnys