τοὐναντίον
From LSJ
German (Pape)
[Seite 1132] zsgzgn statt τὸ ἐναντίον, Ar. Plut. 14, u. in att. Prosa überall.
Greek (Liddell-Scott)
τοὐναντίον: κατὰ κρᾶσιν ἀντὶ τὸ ἐναντίον, Ἀριστοφ. Πλ. 1047, Θουκ., κλπ.
French (Bailly abrégé)
crase att. p. τὸ ἐναντίον.
English (Strong)
contraction for the neuter of ὁ and ἐναντίον; on the contrary: contrariwise.
English (Thayer)
(by crasis for τό ἀναντιον (Buttmann, 10)) (Arstpb., Thucydides, others)), on the contrary, contrariwise (Vulg. e contrario), accusative used adverbially (Winer's Grammar, 230 (216)): 1 Peter 3:9.