κρῆσαι

From LSJ

καὶ νῦν περὶ ἀρετῆς ὃ ἔστιν ἐγὼ μὲν οὐκ οἶδα, σὺ μέντοι ἴσως πρότερον μὲν ᾔδησθα πρὶν ἐμοῦ ἅψασθαι, νῦν μέντοι ὅμοιος εἶ οὐκ εἰδότι → so now I do not know what virtue is; perhaps you knew before you contacted me, but now you are certainly like one who does not know

Source

Russian (Dvoretsky)

κρῆσαι: эп. inf. aor. 1 к κεράννυμι.

Greek (Liddell-Scott)

κρῆσαι: ἀντὶ κεράσαι, ἀπαρέμφ. ἀορ. αʹ ἐνεργ. τοῦ κεράννυμι, Ὅμηρ.

Greek Monotonic

κρῆσαι: Επικ. αντί κεράσαι, απαρ. αορ. αʹ του κεράννυμι.

Dutch (Woordenboekgrieks.nl)

κρῆσαι inf. aor. van κεράννυμι.