On-efn

According to the Old English Dictionary:

on-efn

Add: I. prep. :-- Onefen ðone greátan æsc, C. D. ii. 172, 23. II. adv. :-- Ðeáh ðe seofon middangeardas sýn ealle onefn ábrǽdde though seven worlds be spread alongside one another, Sal. K. p. 150, 29. Circumflexus accentus byð of þám óðrum twám geworht, swá wé hér onem (at the side) habbað ámearkod, Angl. viii. 333, 27. [N. E. D. anent; O. Sax. an-eban: O. H. Ger. in-eben: Ger. neben.] on-efn