κυφαγωγὸς
From LSJ
ἀλλ' οὐκ ἂν μαχέσαιτο· χέσαιτο γάρ, εἰ μαχέσαιτο → fighting is what she can't do, for if she should fight she would shit
English (LSJ)
ἵππος, ὁ, a horse A that goes with the neck arched, X.Eq.7.10.
Greek (Liddell-Scott)
κῡφᾰγωγὸς: ἵππος, ὁ, βαδίζων μὲ αὐχένα κυρτόν, καμαρωτὸν καὶ τὴν κεφαλὴν κύπτουσαν πρὸς τὰ κάτω, Ξεν. Ἱππ. 7, 10.