Webster's Revised Unabridged Dictionary · 1913

Fordo

Fordo , transitive verb

[Old English fordon, Anglo-Saxon ford{not transcribed}n; pref. for- + d{not transcribed}n to do. See For-, and Do, v. i.]

1.
To destroy; to undo; to ruin. [Obsolete]
This is the night That either makes me or fordoes me quite. — Shakespeare
2.
To overcome with fatigue; to exhaust. — M. Arnold
All with weary task fordone. — Shakespeare