—v. (-ies, -ied)
1 intr. waste away through undernourishment, ageing, or lack of use; become emaciated.
2 tr. cause to atrophy.
—n. the process of atrophying; emaciation.
Etymology: F atrophie or LL atrophia f. Gk f. a- not + trophe food
Useful english dictionary. 2012.