The Collaborative International Dictionary
Anergia
Anergia \An*er"gi*a\, Anergy \An"er*gy\, n. [NL. anergia, fr. Gr. ?- not + ? work.] Lack of energy; inactivity. -- An*er"gic, a.
Wiktionary
anergia
n. (alt form anergy English) (qualifier lack of energy; inactivity English)