A.in one, as a single word, “ἀναγιγνώσκειν ὑφ᾽ ἕν” Plu.2.31e; πῶς . . πληθυντικὸν καὶ ἑνικὸν ὑφ᾽ ἓν κεκλήσεται; how can a plural and a singular be addressed in one and the same word? A.D.Pron.22.7.
ὑφέν , earlier ὑφ᾽ ἕν, Adv.