さかのぼる
N2溯る
遡る逆上る泝る
[sakanoboru]
Definitions
1.Godan verb with 'ru' ending; intransitive verb
to go upstream; to go up (a river)
2.Godan verb with 'ru' ending; intransitive verb
to go back (to the past or origin); to date back (to); to trace back (to); to be retroactive (to)
Example Sentences
川を溯って水源を探しに行った。
We went upstream along the river to find its source.
記録を溯って原因を調べる必要がある。
We need to go back through the records to investigate the cause.
この伝統は江戸時代まで溯ることができる。
This tradition can be traced back to the Edo period.