Exert (verb)

1. To put forth effort or exert oneself.
2. To apply or bring to bear (a force, influence, etc.).

Origin:

From latin exsertus, past participle of exserere ("to thrust out"), from ex ("out") + serere ("to join").

Examples:

1. He exerted all of his strength to lift the weight.
2. She exerted herself to finish the project on time.
3. The company is exerting a lot of effort to improve its customer service.
4. He exerted a lot of influence on the company's decision making process.
5. The athlete exerted a lot of energy during the game.