come full circle

come full circle (third-person singular simple present comes full circle, present participle coming full circle, simple past came full circle, past participle come full circle)

1. (idiomatic) To make a complete change or reform.
2. (idiomatic) To complete a cycle of transition, returning to where one started after gaining experience or exploring other things.

• full circle

• everything old is new again
• what goes around comes around