ὑδατηρός
From LSJ
ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
English (LSJ)
ά, όν,
A of or for water, μήτε κρωσσοὺς μήτ' οἰνηροὺς μήθ' ὑ. water-ewers or pails, A.Fr.96 (anap.), as cited by Poll.6.23; but ὑδρηροὺς πίθους καὶ οἰνηρούς as cited in AB115.
German (Pape)
[Seite 1172] zum Wasser gehörend, Wasser in sich fassend, κρωσσός, Wassereimer, Aesch. frg. 328.