1) 溯行そこう #57,866 Inflections of 溯行 Class Suru verb Stem Inflected ending ✕ Link copied! そこう [0] Meaning Shirabe Noun Suru verb Intransitive verb going upstream; sailing against the current Kanji 溯 ソ go upstream, retrace the past 行 コウ going, journey, carry out Forms 遡行#57,866遡行そこう遡航#129,699遡航そこう溯行#264,290溯行そこうそこうそこう溯航(rarely used kanji form)溯航そこう
