τᾄτιον
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.)
German (Pape)
[Seite 1073] att. zsgzgn statt τὸ αἴτιον, Ar. Th. 549.
Russian (Dvoretsky)
τᾄτιον: или ταἴτιον Arph. in crasi = τὸ αἴτιον.
Greek (Liddell-Scott)
τᾄτιον: Ἀττ. κρᾶσις, ἀντὶ τὸ αἴτιον, Ἀριστοφ. Θεσμ. 549.
Greek Monotonic
τᾄτιον: κράση αντί τὸ αἴτιον.