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Meanings

go upstream
retrace the past

Readings

On — Chinese-derived reading, usually for compounds
サク
Kun — Native Japanese reading, usually for standalone words
さかのぼ.る

Common Words

遡る
溯る
逆上る
泝る
Godan verb
Intransitive
Usually kana
Freq #9473
1

to go upstream; to go up (a river)

Examples
鮭は川をさかのぼって砂に産卵する。
Salmon go up the river and lay their eggs in the sand.
2

to go back (to the past or origin); to date back (to); to trace back (to); to be retroactive (to)

Examples
その教会は1173年までさかのぼる
The church dates back to 1173.
こう
溯行
遡航
溯航
~する Verb
Noun
Intransitive
Freq #48642
1

going upstream; sailing against the current

溯上
じょう
~する Verb
Noun
Intransitive
Freq #74158
1

going upstream; swimming upstream

きゅう
っきゅう
溯及
~する Verb
Noun
Intransitive
Freq #103194
1

retroactivity; retroaction; being retroactive (to)

溯源
くげん
げん
~する Verb
Noun
Intransitive
Freq #157647
1

Formal or literary term

going to the source; tracing to the origin

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