そじょう 遡上 LinksSentence search for 遡上Sentence search for そじょうSentence search for 溯上Kanji details for 遡 and 上Edit in JMdict Noun, Suru verb, Intransitive verb1. going upstream; swimming upstreamOther forms溯上 【そじょう】 Discussions Log in to talk about this word.