ἑτερόγναθος
From LSJ
τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
English (LSJ)
ον,
A with one side of the mouth harder than the other, [ἵπποι] X.Eq.1.9, al.; glossed by ἀπειθής, ἢ ἄπληστος, Phot.
German (Pape)
[Seite 1048] ἵππος, ein Pferd, dessen eine Seite des Maules zu hart oder zu weich zum Lenken ist, Xen. re equ. 1, 9. 2, 5. 6, 9.