from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To contradict; speak against.
- v. To gainsay; renounce.
From Middle English withspeken ("to speak against, contradict"), from Old English wiþsprecan ("to contradict, gainsay, revile"), equivalent to with- + speak. Cognate with German widersprechen ("to contradict, gainsay"). (Wiktionary)