Definitions

1. 1. to investigate the origin of sth
2. 2. to trace a river upstream back to its source

Components

• 溯 sù – to go upstream
• 源 yuán – root

Related Words

• 追根溯源 zhuī gēn sù yuán – to pursue sth back to its origins
• 逆流溯源 nì liú sù yuán – to go back to the source
• 寻根溯源 xún gēn sù yuán – see 追根溯源[zhui1 gen1 su4 yuan2]