διαπειρᾶσθαι
From LSJ
Θεοὶ μὲν γὰρ μελλόντων, ἄνθρωποι δὲ γιγνομένων, σοφοὶ δὲ προσιόντων αἰσθάνονται → Because gods perceive future things, men what is happening now, but wise men perceive approaching things
Greek > English (Woodhouse Verbs Reversed)
(see also διαπειράομαι, διαπείρω): try, make proof of, make trial of
Lexicon Thucydideum
experiri, to try, experience, 6.91.6.