さかのぼる

to go upstream

N2 #9,544

Meanings

also 遡る

  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)

In sentences

その話はなしは１６世紀せいきまでさかのぼる。 The story goes back to the sixteenth century. #206051