Ge-witennes

According to the Old English Dictionary:

se;

ge-witennes

f. Departure :-- Ðá ðære tíde neálǽhte his gewitenesse propinquante hora sui decessus, Bd. 4, 24; S. 598, 24. On ðone ylcan dæg byþ ðæs bisceopes gewytennys se wæs nemned scs Cassius on the same day is the bishop's departure who was named St. Cassius, Shrn. 97, 36. ge-witennes