Source : Webster's Revised Unabridged Dictionary (1913)

Fordo \For*do"\, v. t. [OE. fordon, AS. ford?n; pref. for- + d?n
   to do. See {For-}, and {Do}, v. i.]
   1. To destroy; to undo; to ruin. [Obs.]

            This is the night That either makes me or fordoes me
            quite.                                --Shak.

   2. To overcome with fatigue; to exhaust. --M. Arnold.

            All with weary task fordone.          --Shak.