adynamia Meaning, Definition & Usage

  1. noun lack of strength or vigor (especially from illness)

WordNet

Ad`y*na"mi*a noun
Etymology
NL. adynamia, fr. Gr. want of strength; priv + power, strength.
Definitions
  1. (Med.) Considerable debility of the vital powers, as in typhoid fever. Dunglison.

Webster 1913