"impaired power of digestion," 1706, from Late Latin dyspepsia or a back-formation from dyspeptic (q.v.). Earlier Englished as dyspepsy (1650s). Its opposite is eupepsia.
dysfunction
dysfunctional
dysgenics
dyslexia
dyslogy
dyspepsia
dyspeptic
dysphemism
dysphoria
dysplasia
dysprosium