διαμεθιέναι
From LSJ
Σοφοῖς ὁμιλῶν καὐτὸς ἐκβήσῃ σοφός → Dat sapere consors vita cum sapientibus → Der Umgang macht mit Weisen weise dich auch selbst
English (Woodhouse)
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(Translation based on the reversal of Woodhouse's English to Ancient Greek dictionary)