Nantoka/溯sù溯 (sù) is a Chinese word meaning “to go upstream; to trace the source”.Meanings1to go upstream2to trace the sourceRelated words追溯lit. to go upstream回溯to recall溯源to investigate the origin of sth溯variant of 溯[su4]推本溯源to go back to the source推溯to trace back to溯溪river tracing追本溯源to trace sth back to its origin追根溯源to pursue sth back to its origins逆流溯源to go back to the source寻根溯源see 追根溯源[zhui1 gen1 su4 yuan2]Study Chinese with flashcards →