Jovius, ii, m., a surname of the emperor Diocletian.
— Derivv. Jo-vius, a, um, adj., of or belonging to Diocletian: cohors, a legion of honor instituted by Diocletian, Claud. B. Gild. 418.
— Jo-viānus, a, um, adj., the same; hence, subst.:
Joviāni, soldiers of Diocletian's legion of honor, Amm. 22, 3, 2 al.