Lewis Short
(adjective) : praevÄus, a, um, prae-via
* Going before, leading the way (poet.): praevius Aurorae, Solis Noctisque satelles, Cic. Arat. ap. Non. 65, 9: nunc praevius anteit, Ov. M. 11, 65: praevia luci Pallantias,id. ib. 15, 190; Stat. Th. 4, 485: cui (luci) praevius est sol,Aus. Idyll. Monosyllab. 12; Lact. 4, 24, 8; Amm. 14, 11, 18.
Charlton T. Lewis, Charles Short, A Latin Dictionary