Gordianus, Thename of three Emperors, the father, the sonne, and the Nephewe.
Lewis and Short: Latin dictionary
Gordĭānus, i, m., a Roman proper name; in partic., the name of three Roman emperors, Capitol. Gord.—II. Deriv. Gordĭānus, a, um, adj., of or belonging to the emperor Gordian, Gordian: LEGIO, Inscr. Grut. 53, 10; Inscr. Don. cl. 3, no. 48.