overween

The story

1. Old English · inherited fromoferwennan
2. Middle English · inherited fromoverwēnen“to be presumptuous, be over-confident; presume”
3. English todayoverween

From Middle English overwēnen (“to be presumptuous, be over-confident; presume”), from Old English oferwennan and oferwenian (“to be proud, become insolent, or presumptuous”), equivalent to over- + ween.