ἔφιππον
From LSJ
δυνατὰ δὲ οἱ προύχοντες πράσσουσι καὶ οἱ ἀσθενεῖς ξυγχωροῦσιν → the strong do what they will; the weak do what they must | the strong do what they can and the weak suffer what they must | they that have odds of power exact as much as they can, and the weak yield to such conditions as they can get
Greek (Liddell-Scott)
ἔφιππον: τό, ὄχημα ὑφ’ ἑνὸς ἵππου συρόμενον, Δίων Κ. 63. 13, πολυδ. Ι΄, 54, κτλ.