ἀποφθεγκτήριον
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)
τό,
A an utterance, Man.4.550.
Greek (Liddell-Scott)
ἀποφθεγκτήριον: τὸ, ἔκφρασις, ἐκφώνησις, Μανέθ. 4. 550.