←
Proto-Mon-Khmer *ɗaak (inherited)
←
Proto-Vietic *ɗaːk (inherited)
←
Eastern Mnong dak (cognate)
←
Central Nicobarese râk (cognate)
←
Central Nicobarese dâk (mention)
←
Vietnamese nác (mention)
←
Vietnamese bước (mention)
→
Vietnamese ni (mention)
→
Vietnamese đường (mention)