arcion
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.)
arcīon: i, n., = ἀρκεῖον,
I a plant (in pure Lat., persollata), Plin. 25, 9, 66, § 113.