Definition: MSORUN - Word in Greek means "run" or "work." It describes an act where a person engages in physical activity for a prolonged period without any mental effort, such as running errands or performing repetitive tasks. The term can also mean 'muscular endurance' if applied to the body, not just physical exertion. In this context, it implies that a person is able to perform activities with minimal rest periods or do them repeatedly over time.