JLPT N1
遡
go back; trace back; retrace
Readings
On'yomiソ
Kun'yomiさかのぼ.る
Mnemonic
WALKING backwards to TRACE BACK to the source.
Example Words
遡及 (そきゅう) retroactivity
遡る (さかのぼる) to go back; to trace
遡上 (そじょう) going upstream
go back; trace back; retrace