ejercitarse
From LSJ
οὐκ ἔστιν οὐδείς, οὐδ' ὁ Μυσῶν ἔσχατος → there is nobody, not even the last of the Mysians | there is nobody, not even the meanest of mankind
διατρίβω, ἐκμελετάω, ἐνασκέω, ἐγγυμνάζω, διαπονέω, διαγυμνάζω, ἐκγυμνάζω, διαμελετάω, διαμαχίζομαι, δράω, γυμνάζω, ἐμμελετάω, ἐκτρίβω