Source : Webster's Revised Unabridged Dictionary (1913)

Apepsy \A*pep"sy\, n. [NL. apepsia, fr. Gr. ?, fr. ? uncooked,
   undigested; 'a priv. + ? cooked, ? to cook, digest.] (Med.)
   Defective digestion, indigestion. --Coxe.