mĭnistĕrĭālis — Lewis & Short
mĭnistĕrĭālis, e, adj.ministerium,
I ministering (late Lat.):
spiritus,Rufin. Orig. Princip. 1, 5, 1.—Hence, mĭnistĕrĭāles, ĭum, m., imperial officers, Cod. Th. 8, 7, 5 al.