Etymology of the Latin word dubius
the Latin word
dubius (doubtful, dubious, uncertain)
derived from the Classical Latin word
duoderived from the Proto-Indo-European root
*dwo-Derivations in Latin
dubietas,
dubiosus,
dubitare,
indubius,
dubiumDerivations in other languages
English
dubious, Italian
dubbio, Portuguese
dúbio