See fordo in American Heritage Dictionary 4
also fore·do
transitive verb for·did also fore·did (-dĭdˈ), for·done also fore·done (-dŭnˈ), for·do·ing also fore·do·ing, for·does also fore·does (-dŭzˈ)Origin:
Origin: Middle English fordon
Origin: , from Old English fordōn
Origin: : for-, for-
Origin: + dōn, to do; see dhē- in Indo-European roots
.