pervicus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

pervĭcus, a, um, adj. [pervico for pervinco],

stubborn , obstinate (ante-class. collat. form of pervicax): pervico Ajax animo atque evocabili, Att. ap. Non. 487, 15 (Trag. Rel. p. 131 Rib.); Plaut. Fragm. ap. Non. 487, 15.