ἐπίορκος
Alt. ἐπί-ορκος, ον
I. "sworn falsely", of oaths, Il.: as Subst., ἐπίορκον ὀμνύναι to take "a false oath", swear "falsely", Il., Hes.: but also, ἐπ. ἐπώμοσε he swore "a bootless oath", Il.
II. of persons, "forsworn, perjured", Hes., Eur., etc.