Reversion (noun)

1. The action or process of returning to a former or original state.
2. A return to a previous or original state, condition, or form.
3. The process by which a property or right reverts back to its original owner after a specified period of time or certain conditions are met.

Origin:

Derived from the latin 'revertere' meaning 'to turn back', the word has been in use since the 1580s.

Examples:

1. The reversion of the property to the original owner was recorded in the deed.
2. The reversion of the land to its natural state was a slow process.
3. The reversion of the company to its original structure was seen as a positive change.
4. The reversion of the economy to a stable state was a cause for celebration.
5. The reversion of the system to its previous settings was unexpected.