ἀρπάγδην
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
Spanish (DGE)
adv. con violencia θύελλαι ἀντίαι ἁρπάγδην ὀπίσω φέρον del viento, A.R.1.1017
•vorazmente Opp.H.3.219, Aret.SA 2.12.3.