ὑδρήχοος
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, A of poured water, πῶμα E.Fr.892. II Ὑδρηχόος, ὁ, the sign Aquarius, BGU957.3 (i B. C.), PSI4.312.6 (iv A. D.), PMag.Lond.121.293, Gloss.