Mid 19th century; earliest use found in Robert Mayne (1808–1868). From masto- + -pathy. R. Dunglison records also post-classical Latin mastopathia, and Mayne also cites French mastopathie, which is otherwise unattested before the late 20th cent.
Definition of mastopathy in US English:
mastopathy
nounmaˈstɒpəθi
Medicine
Disease of the breast.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From masto- + -pathy. R. Dunglison records also post-classical Latin mastopathia, and Mayne also cites French mastopathie, which is otherwise unattested before the late 20th cent.