μάχομαι
Etym. Dep.
I. "to fight", Hom., etc.; c. dat. pers. "to fight with", i. e. "against", one, id=Hom., etc.; μ. ἀντία and ἐναντίον τινός Il.; ἐπί τινι, πρός τινα id=Il.; but, μ. σύν τινι "with the sanction, under the auspices" of a deity, Od., Xen.; κατὰ σφέας μαχέονται "will fight" by themselves, Il.; καθ᾽ ἕνα μ. "to fight" one against one, in single combat, Hdt.:— τὸ μήπω μεμαχημένον "the force that had" not yet "come into action", Thuc.
II. generally, "to quarrel, wrangle, dispute" with one, "to oppose, gainsay", τινι Il., Plat.
III. "to contend for the mastery" in games, πὺξ μάχεσθαι Il.; παγκράτιον μ. Ar.