ἀλλὰ ῥῦσαι ἡμᾶς ἀπὸ τοῦ πονηροῦ → but deliver us from evil
ob-tentĭo: ōnis, f. id. II.,I a covering, veiling; trop., obscurity, darkness (postclass.): aliquid obtentionibus allegoricis claudere, by an allegorical dress, Arn. 5, 181; 5, 182.