[2298] dubiō, Adv. (dubius), zweifelhaft, nec dubio, unzweifelhaft, Apul. met. 9, 2. Heges. 1, 16, 3.
Brockhaus-1911: In dubio
Herder-1854: In dubio
Meyers-1905: In dubĭo
Pierer-1857: Sine dubĭo · In dubĭo