battalion
From LSJ
πολλάκις δοκεῖ τὸ φυλάξαι τἀγαθὰ τοῦ κτήσασθαι χαλεπώτερον εἶναι → it often proves harder to keep than to win prosperity | it is often harder for men to keep the good they have, than it was to obtain it
P. and V. λόχος, ὁ, τάξις, ἡ, P. τάγμα, τό (Xen.).