Stake (noun)

1. A stick or post pointed at one end for driving into the ground as a marker or support.
2. A wooden post used to support a plant.
3. A right, interest, or claim held or owned by someone in something.

Origin:

Middle english stak, from old norse stakkr, from proto-germanic *stakō.

Examples:

1. He drove a stake into the ground to mark the spot.
2. She tied the tomato plant to a stake to help it grow upright.
3. He has a significant stake in the success of the company.
4. They have a financial stake in the outcome of the project.
5. Her stake in the partnership gives her a voice in the company's decisions.