ca·chex·i·a 
(kə-kĕksē-ə)
(kə-kĕksē-ə)n.
Weight loss, wasting of muscle, loss of appetite, and general debility that can occur during a chronic disease.
[Late Latin, from Greek kakhexiā : kako-, caco- + hexis, condition (from ekhein, to have; see segh- in the Appendix of Indo-European roots).]