Traduce is to say mean and untrue things about a person or thing, or to betray.(verb)
An example of traduce is for a campaign aide to damage a senator's chances for election with a false story in the newspapers.
See traduce in Webster's New World College Dictionary
See traduce in American Heritage Dictionary 4
transitive verb tra·duced, tra·duc·ing, tra·duc·es
Origin: Latin trādūcere, to lead as a spectacle, dishonor
Origin: : trā-, trāns-, trans-
Origin: + dūcere, to lead; see deuk- in Indo-European roots.
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