ὁπλιτεύειν
From LSJ
οὐ παντὸς ἀνδρὸς ἐς Κόρινθον ἔσθ' ὁ πλοῦς → it's not for every man to make a journey to Corinth, not everyone can afford a trip to Corinth
Greek > English (Woodhouse Verbs Reversed)
(see also ὁπλιτεύω): serve as hoplite
Lexicon Thucydideum
gravis armaturae militem esse, to be a heavy-armed soldier, 6.91.4, 8.73.4.