/-{-{suìdào}-}-/, /su̯i²²⁻²¹ to²²/, /su̯i³³⁻²¹ tɤ³³/, /su̯i³³⁻¹¹ to³³/, /su̯i⁴¹⁻²² tɔ⁴¹/, /su̯i⁵⁵ tʰo⁵⁵/, /sɵy̯²² tou̯²²/, /tu̯i³³⁻²¹ tɤ³³/, /tu̯i³³⁻¹¹ to³³/, /zø²² dɔ⁴⁴/, /seoi6 dou6/, /soey6 dou6/, /sueydaw/, /sui to/, /suèidào/, /sêu6 dou6/、/ㄙㄨㄟˋ ㄉㄠˋ/
在山中、地下或海底开凿或挖掘成的通路