verb
revert
rih-VURT/rɪˈvɜːrt/
To return to an earlier state or practice.
Under stress, she often reverts to her old habits.

Etymology
The pieces mean “turn back.” That image extends beyond physical movement to returning to an earlier condition or taking up a former habit or practice.
In context
And Israelites, who, remember, are still mentally so fragile, they rapidly revert right back to the idol worship of their former Egyptian oppressors.
More examples
- The team reverted to its original plan after the trial.
- The settings revert to their defaults when you restart the device.
- After trying a new schedule, we are reverting to our usual hours.
Forms
revert · reverts · reverted · reverting
reversion noun — A return to an earlier state.