Un-forrotigendlíc

According to the Old English Dictionary:

un-forrotigendlíc

adj. Not liable to decay, imperishable, incorruptible :-- Beó his calic of clǽnum antimbre geworht unforrotigendlíc, gylden oððe seolfern oððe tinen, L. Ælfc. C. 22; Th. ii. 350, 23. Unforrotiendlíc, 36; Th. ii. 360, 42. un-forrotigendlic