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
παρασῑτεύω: τῷ ἑπομ., ζῶ πλησίον τινός, τινὶ Ψευδο-Χρυσ. τ. 10, σ. 1008Α.
Αβλ. παρασιτώ.