ἔον

English (LSJ)

Ep. (Il.23.643) and Aeol. for ἦν, 1sg. impf. of εἰμί (q.v.):— but ἐόν, Ion. for ὄν, part. neut. of εἰμί.

German (Pape)

[Seite 892] = ἦν, von εἰμί; ἐόν, ion. = ὄν.