ὑδρήχοος
From LSJ
Πάντα οὖν ὅσα ἐὰν θέλητε ἵνα ποιῶσιν ὑμῖν οἱ ἄνθρωποι, οὕτως καὶ ὑμεῖς ποιεῖτε αὐτοῖς· οὗτος γάρ ἐστιν ὁ νόμος καὶ οἱ προφῆται → Therefore as many things as you would like people to do for you, do also the same for them: that is the Torah, that is the prophets! (Matthew 7:12)
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.