βεκκεσέληνος
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
ον, (βέκος, cf. προσέληνος, and v. Hdt.2.2)
A = ἀρχαῖος, superannuated, doting, coined by Ar.Nu.398, cf. Plu.2.881a.