From đường + sá, from Proto-Vietic *k-raːʔ, from Proto-Mon-Khmer *kraʔ (“road, way”); cognate with Muong khá, Pacoh carna (through an infixed form), Chong /kraː/ and Proto-Palaungic *kraʔ. Sá is also fossilized in a few other words, such as sá cày.
- (Hà Nội) IPA(key): [ʔɗɨəŋ˨˩ saː˧˦]
- (Huế) IPA(key): [ʔɗɨəŋ˦˩ ʂaː˨˩˦]
- (Hồ Chí Minh City) IPA(key): [ʔɗɨəŋ˨˩ ʂaː˦˥] ~ [ʔɗɨəŋ˨˩ saː˦˥]