溯

回溯

huí sù

to recall

寻根溯源

xún gēn sù yuán

see 追根溯源[zhui1 gen1 su4 yuan2]

推本溯源

tuī běn sù yuán

to go back to the source

推溯

tuī sù

to trace back to

溯源

sù yuán

to investigate the origin of sth

溯溪

sù xī

river tracing

追本溯源

zhuī běn sù yuán

to trace sth back to its origin

追根溯源

zhuī gēn sù yuán

to pursue sth back to its origins

追溯

zhuī sù

lit. to go upstream

逆流溯源

nì liú sù yuán

to go back to the source