igˈzȯschən, eg- noun
( -s )
Etymology: Late Latin exhaustion-, exhaustio, from Latin exhaustus (past participle of exhaurire to exhaust) + -ion-, -io -ion — more at exhaust
1. : the act or process of exhausting or the state of being exhausted
he felt ready to drop from exhaustion
2. : neurosis following overstrain or over exertion
combat exhaustion