ὑπωμοσία · hypōmosia — LSJ
oath taken in court to delay proceedings (v. ὑπόμνυμι II),
oath or affidavit showing good ground for the absence of a party to a suit, application for delay, D. 21.84 (pl.), v. Harp. s. v.; ὑπωμοσίαν παραδέχεσθαι Hyp. Eux. 7; cf. ἀνθυπόμνυμι.
oath taken by the prosecutor in a γραφὴ παρανόμων (v. παράνομος II.2), with the effect of suspending the proposed law or decree, ἐᾶν [τὸν νόμον] ἐν ὑ. to leave it in the condition caused by the ὑπωμοσία, to let it drop, D. 18.103; cf. AB 313, Poll. 8.56.