1) 溯源さくげん #380,039 Inflections of 溯源 Class Suru verb Stem Inflected ending ✕ Link copied! さくげん [0] Meaning Shirabe Noun Suru verb Intransitive verb Formal going to the source; tracing to the origin Kanji 溯 ソ go upstream, retrace the past 源 ゲン source, origin Forms そげん#142,180そげん遡源#380,039遡源さくげんさくげんさくげん溯源溯源さくげん
