τοὐναντίον
From LSJ
διήλθομεν διὰ πυρὸς καὶ ὕδατος → we went through fire and water, we have gone through fire and water
[Seite 1132] zsgzgn statt τὸ ἐναντίον, Ar. Plut. 14, u. in att. Prosa überall.
τοὐναντίον: κατὰ κρᾶσιν ἀντὶ τὸ ἐναντίον, Ἀριστοφ. Πλ. 1047, Θουκ., κλπ.