Efen-eald

According to the Old English Dictionary:

efn-eald;

efen-eald

adj. Co-eval, of the same, age; co-ævus, co-ætāneus :-- Ic æt efenealdum ǽfre ne métte máran snyttro I never met with greater prudence among those of his age. Andr. Kmbl. 1105; An. 553: Bd. 5. 19; S. 637, 19. Nǽnig efen-eald him no one of like age with him, Exon. 85 a; Th. 321, 2; Wíd. 40. Plegende mid his efen-ealdum playing uith his co-evals, Homl. Th. ii. 134, 4. efen-eald