pervĭcus

a, um, adj.

pervico for pervinco

I. 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.
Lewis & Short
A Latin Dictionary, 1879
An open-access project