Lewis Short
Dāvus | Davos (noun M) : ()
* A name given to Roman slaves, freq. in the comedies of Plaut. and Ter.; cf. also Hor. S. 1, 10, 40; 2, 5, 91; id. A. P. 114; Pers. 5, 161; 168 al. —Prov.: Davus sum, non Oedipus,Ter. Andr. 1, 2, 24.
Charlton T. Lewis, Charles Short, A Latin Dictionary