πεφνέμεν
From LSJ
Ὥσπερ οἱ ἐρωτικοὶ ἀπὸ τῶν ἐν αἰσθήσει καλῶν ὁδῷ προϊόντες ἐπ' αὐτὴν καταντῶσι τὴν μίαν τῶν καλῶν πάντων καὶ νοητῶν ἀρχήν → Just as lovers systematically leave behind what is fair to sensation and attain the one true source of all that is fair and intelligible
Russian (Dvoretsky)
πεφνέμεν: эп. inf. = * πεφνεῖν.
Dutch (Woordenboekgrieks.nl)
πεφνέμεν ep. inf. aor. act. van θείνω.