overfatigue

From The Collaborative International Dictionary of English v.0.48:

Overfatigue \O"ver*fa*tigue"\, n.
   Excessive fatigue.
   [1913 Webster]
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From The Collaborative International Dictionary of English v.0.48:

Overfatigue \O`ver*fa*tigue"\, v. t.
   To fatigue to excess; to tire out.
   [1913 Webster]