go back

phrasal verb

went back; gone back; going back; goes back

: to return to a place

I forgot my purse and had to go back for it.

After college she went back home.

Go back inside! You'll catch cold.

: to return to doing something

I turned off the alarm and went back to sleep.

He waved hello, then went right back to work.

She went back to eating her dinner.

: to have existed for a particular amount of time or since a particular period

These ruins go back hundreds of years.

: to have known each other for an amount of time

We go back 30 years.

He and I go back a long way.

: to think or talk about something from the past

To fully understand the issues, we have to go back a few years.