Recourse (noun)

1. The act of turning to someone or something for help or protection.
2. The right or possibility to resort to a legal remedy or to another means of obtaining satisfaction for a claim or a wrong.

Origin:

From the old french recours, from recourir ("to run again"), from re- ("again") + courir ("to ru.n")

Examples:

1. He had no recourse but to sue.
2. She had no recourse but to quit her job.
3. The company had no recourse but to file for bankruptcy.
4. The city had no recourse but to raise taxes.
5. He had no recourse but to go to the police.