for·do also fore·do 
(fôr-d)
(fôr-d)tr.v. for·did (-dĭd), for·done (-dŭn), for·do·ing, for·does (-dŭz) also fore·did or fore·done or fore·do·ing or fore·does
Archaic
Archaic
1. To cause the death of; kill.
2. To bring to ruin; destroy.
[Middle English fordon, from Old English fordōn : for-, for- + dōn, to do; see dhē- in the Appendix of Indo-European roots.]