GNU Collaborative International Dictionary of English

Found one definition

1.       
   Fordo (?), v. t. [OE. fordon, AS. fordn; pref. for- + dn to do. See For-, and Do, v. i.]
   1. To destroy; to undo; to ruin. [Obs.]
   
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   This is the night
   
   That either makes me or fordoes me quite. Shak.
   
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   2. To overcome with fatigue; to exhaust.  M. Arnold.
   
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   All with weary task fordone. Shak.
   
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