go back to one's roots
return to one's roots
get back to one's roots
be back to one's roots

His first goal was to return the company to its industrial roots.

The area is unlikely to ever return to its roots.

The party must return to its very roots to survive and grow.

It has taken him a long time to return to his roots.

But it's not as if he's returned to his roots.

In many ways, the store is returning to its roots.

C4 has returned to its roots playing mostly music shows.

"We actually want to return the union to its roots of being a strong public advocate."

He then returned to his true roots and perform rock music.

By doing so, they are returning to their roots as it were.