πεπειρᾶσθαι
From LSJ
πάντα πόνος τεύχει θνητοῖς μελέτη τε βροτείη → all things are made for mortals by human toil and care
Greek > English (Woodhouse Verbs Reversed)
(see also πειράζω, πειράω): to have had a foretaste of, to have had a taste of, to have had experience of