παρεπιδείκνυμι
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)
A point out beside or at the same time, LXX 2 Ma.15.10. 2 display, κακῶς [τὴν τέχνην] Gal.8.600. II Med., display one's ideas, Phld. Vit.p.39 J. ; also in a depreciatory sense, exhibit out of season, make a display, Plu.2.43d, Luc.Hist. Conscr.57.