Difficulty (noun)

1. A problem or obstacle that is hard to overcome.
2. A situation that requires much effort, skill, or determination.
3. A state or condition of being hard to deal with or understand.

Origin:

Middle english difficulté, from old french, from latin difficultat-, difficultas, from difficilis hard to do.

Examples:

1. She faced many difficulties in her life.
2. He had difficulty speaking in public.
3. The difficulty of the task was beyond her ability.
4. They encountered difficulty in finding a solution to the problem.
5. The company is facing financial difficulties.