溯 sù 🔊 to go upstream 13 strokes + Review this word Meanings sù to go upstreamto trace the sourcevariant of 溯[su4] Words with 溯 追溯 zhuī sù lit. to go upstream HSK 7–9 溯源 sù yuán to investigate the origin of sth 回溯 huí sù to recall 追根溯源 zhuī gēn sù yuán to pursue sth back to its origins 追本溯源 zhuī běn sù yuán to trace sth back to its origin 推本溯源 tuī běn sù yuán to go back to the source 推溯 tuī sù to trace back to 溯溪 sù xī river tracing 寻根溯源 xún gēn sù yuán see 追根溯源[zhui1 gen1 su4 yuan2] 逆流溯源 nì liú sù yuán to go back to the source