ἐκστρᾰτ-εύω · ekstrat-euō — LSJ
march out, march, out
march out, ἐς Λεῦκτρα Th. 5.54; ὡς δουλωσόμενος.. X. Ages. 7.7 : trans., ἐ. τινά march him out, D.H. Rh. 9.5, 6.
II take the field, to be in the field
in Med., abs., take the field, Hdt. 1.190; ἐς Ἴρασα Id. 4.159 : pf. Pass., to be in the field, Th. 2.12; ἐπὶ τοῖς ὁρίοις And. 1.45.
2 to have ended the campaign
in pf., to have ended the campaign, Th. 5.55.
b veterans
pf. part. Pass. ἐξεστρατευμένοι veterans, App. BC 3.46.