[415] In infinitum, lat., ins Unendliche.
Brockhaus-1911: In infinitum · Ad infinitum
Herder-1854: ad infinitum
Kirchner-Michaelis-1907: ad infinitum / ad indefinitum
Meyers-1905: Infinītum · In infinītum · Ad infinītum
Pierer-1857: Infinītum · In infinītum · Ad infinītum