dua deriv.: duarua. 1adj Two. see: duwa. 2Just two. 3Two days. 4Day before yesterday. 5Two people holding onto something. 6v To be uncertain, unsure of something; to be in doubt 7Twenty 8Every two days. 9Second.; day after tomorrow Igkarua koy oghondini to koykow. We'll come here to your place the day after tomorrow.