Lewis Short
Perperna | Perpenna (noun M) : or
* A Roman surname. A famous person of this name was M. Perperna, the murderer of Sertorius, who was defeated by Pompey, Liv. 44, 27, 11; id. Epit. 96; Vell. 2, 30, 1; Flor. 2, 20, 6.—Form Perpenna, Nep. Cat. 1, 1; Tac. A. 3, 62; Just. 36, 4, 9.
Charlton T. Lewis, Charles Short, A Latin Dictionary