ἐπιούσιος
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
ον, either,
A sufficient for the coming (and so current) day, (ἐπιοῦσα (sc. ἡμέρα)), or, for the day (ἐπὶ τὴν οὖσαν (sc. ἡμέραν)), ἄρτος Ev.Matt.6.11, Ev.Luc.11.3; τὰ ἐ. dub. sens. (cf. Phil.Woch.47.889) in Sammelb.5224.20. (Very rare word in Origen's day, De Orat. 27.7.)