ἀκατάμαχος
From LSJ
Καὶ μὴν ὑπεραποθνῄσκειν γε μόνοι ἐθέλουσιν οἱ ἐρῶντες, οὐ μόνον ὅτι ἄνδρες, ἀλλὰ καὶ αἱ γυναῖκες. → After all, it is only those in love who are actually willing to die for another — not just men, but women as well. (Plato, Symposium 179b)
Greek (Liddell-Scott)
ἀκατάμαχος: -ον, = τῷ προηγ., Εὐσέβ. Εὐαγγ. Ἀποδ. 424D.