παρείσ-δῠσις · pareis-dysis — LSJ
slipping in, Chrysipp.Stoic. 3.199, Gal. 8.581; τοῦ ἑτέρου ἄρθρου A.D. Synt. 81.9 ; of poison, Philum. Ven. 4.1 ; way to get in, opening, Thphr. CP 1.7.2 ; loophole of entrance, chink, Epicur. Sent. Vat. 47, Dam. Pr. 68 ; means of entry, PStrassb. 22.30 (i A.D.); but also, loophole of escape (in argument), Hero Spir. 1 Prooem. (fort. παρέκ-).
dub. sens., ἔχουσι π. καὶ φιλαυτότητα καὶ λύπην Vett.Val. 345.8.