遡る

さかのぼる

to go upstream

N2 #9,544

Meanings

  1. godan verb, intransitive, usually in kana to go upstream; to go up (a river)
  2. usually in kana to go back (to the past or origin); to date back (to); to trace back (to); to be retroactive (to)

Its kanji

In sentences

映画えいがは第二次世界大戦だいにじせかいたいせんに遡さかのぼる。 The film takes us back to World War II. #10906629