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溯さかのぼる

#15,503

Inflections of 溯る
Common
さかのぼる
Meaning
    1. ①
      to go upstream; to go up (a river)
      鮭さけは川かわをさかのぼって砂すなに産卵さんらんする。
      Salmon go up the river and lay their eggs in the sand.
    2. ②
      to go back (to the past or origin); to date back (to); to trace back (to); to be retroactive (to)
      その教会きょうかいは１１７３せんひゃくななじゅうさん年ねんまでさかのぼる。
      The church dates back to 1173.
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