monopathy
/mɒnˈɒpəθi/Definitions
1. noun
A disease or condition that affects only one side of the body, or a disease that occurs on one side of an organ.
“The patient had a monopathy that caused her left arm to be paralyzed.”
2. noun
A single-minded devotion or enthusiasm for something, especially a hobby or interest.
“Her monopathy for painting consumed most of her free time.”