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