amyotrophia

noun
amyo·​tro·​phia | \ ˌā-ˌmī-ə-ˈtrō-fē-ə How to pronounce amyotrophia (audio) \
variants: or amyotrophy \ -​ˌmī-​ˈä-​trə-​fē How to pronounce amyotrophy (audio) \
plural amyotrophias or amyotrophies

Medical Definition of amyotrophia

: atrophy of a muscle