さくげん 遡源 LinksSentence search for 遡源Sentence search for さくげんSentence search for そげんSentence search for 溯源Kanji details for 遡 and 源Edit in JMdict Noun, Suru verb, Intransitive verb1. going to the source; tracing to the originFormal or literary termOther forms遡源 【そげん】、溯源 【さくげん】、溯源 【そげん】 Discussions Log in to talk about this word.