Wrestle (verb)

1. To engage in a grappling match or struggle with (an opponent) in order to throw or pin them to the ground.
2. To struggle, or make a determined effort, to overcome or gain control of a situation.
3. To engage in a difficult and persistent struggle to achieve or attain something.

Origin:

From middle english wrestlen, from old english wrǣstan ("to twist, turn, bend, struggle"), from proto-germanic *wræistijaną ("to twist, turn"), from proto-indo-european *wers- ("to turn").

Examples:

1. He has been wrestling for years and is considered one of the best in the country.
2. The two companies have been wrestling for control of the market.
3. She has been wrestling with her fears for as long as she can remember.
4. The country has been wrestling with its economic problems for decades.
5. The company has been wrestling with the ethical dilemma for several months.