ὁπλιτεύω
From LSJ
Ῥίζα γὰρ πάντων τῶν κακῶν ἐστιν ἡ φιλαργυρία → Root of all the evils is the love of money (Radix omnium malorum est cupiditas)
English (LSJ)
A serve as a man-at-arms, Th. 6.91, 8.73, Lys. 20.25, X.An.5.8.5 ; οἱ ὁπλιτεύοντες men now serving, opp. οἱ ὡπλιτευκότες, Arist.Pol.1297b13, cf. 1265b28.