[67] Medĭus Fidĭus, so v.w. Deus Fidius.
Eisler-1904: Medius terminus
Kirchner-Michaelis-1907: medius terminus
Meyers-1905: Fidĭus · Dius Fidĭus
Pierer-1857: Medius terminus · Deus Fidĭus
Vollmer-1874: Fidius · Dius fidius