出典:Wiktionary
From Middle English overwēnen (“to be presumptuous, be over-confident; presume”), from 古期英語 oferwennan and oferwenian (“to be proud, become insolent, または presumptuous”), equivalent to over- + ween.
overween (三人称単数 現在形 overweens, 現在分詞 overweening, 過去形および過去分詞形 overweened)