(third-person singular simple present overleavens, present participle overleavening, simple past and past participle overleavened)
over- + leaven
"overleaven." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/overleaven>.
overleaven. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/overleaven
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