Prolongation (noun)

The act of making something last longer or the state of being extended in duration.

Origin:

From the latin word prolongātiō, meaning 'an extension'.

Examples:

1. The prolongation of the contract was due to the company's good financial performance.
2. The prolongation of the party was due to the unexpected arrival of more guests.
3. The prolongation of the show was due to the enthusiastic response of the audience.
4. The prolongation of life by modern medical technology is a double-edged sword.
5. The prolongation of the recession was a result of the government's monetary policy.