"emaciation as a result of severe emotional disturbance," coined 1873 by William W. Gull, who also offered as an alternative apepsia hysterica as a name for it. See anorexia.
Entries linking to anorexia nervosa
anorexia n.
1590s, "morbid want of appetite," Modern Latin, from Greek anorexia, from an- "without" (see an- (1)) + orexis "appetite, desire," from oregein "to desire, long for," literally "reach out (one's hand), stretch oneself, stretch out for" (from PIE root *reg- "move in a straight line") + abstract noun ending -ia. In current use, often short for anorexia nervosa.