Lewis Short
(adverb) : pervĭam, per-via
* Accessible (cf. pervius; ante-class. and post-Aug.): angulos aedium perviam facitis, i. q. pervios,Plaut. Aul. 3, 2, 24; Front. Orat. 1 fin. Mai: divus Augustus reprehendens Ti. Claudium ita loquitur: Scribis enim perviam ἀντὶ τοῦ obviam, Charis. p. 187 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary