Un-genemnendlic

According to the Old English Dictionary:

un-genemnendlic

adj. Not to be named (?), unknown (?) :-- Þá semninga wearð hé mid fǽrlicum and ungenæmnendlicum deáile forþ-féred subita et inopinata (has in(n)ominata been read ? the Greek version has GREEK) morte defunctus est, Gr. D. 341, 13. un-genemnendlic