ἑκτεῖος

From LSJ

πρᾶγμα ἐλπίδος κρεῖσσον γεγενημένον → the thing worse than one expected

Source

Spanish (DGE)

-ον sexto μη(νὸς) ἑκτείου Graff.Dip.I 23 (V/VI d.C.).