eponym

eponym (n)

1. A person whose name has become identified with a particular object or activity.

2. A word formed from a person’s name, e.g. stentorian after the Greek herald Stentor.

3. The hero of a book, film etc. having the character’s name as its title, e.g. Robinson Crusoe.

4. (healthcare) A condition, disease or disorder named after a particular clinician or patient, e.g. Alzheimer’s Disease, named after the neurologist Alois Alzheimer.