ὕδατος

From LSJ

ἐπὶ τῷ μὴ κοινωνικῶς χρῆσθαι τοῖς εὐτυχήμασι → for not having used their success in a spirit of partnership

Source

Greek Monotonic

ὕδᾰτος: γεν. του ὕδωρ.

Russian (Dvoretsky)

ὕδᾰτος: gen. к ὕδωρ.