ἐπιούσιος

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.)