betow

The story

1. Old English · inherited frombetēon“to cover, surround, enclose”
2. Middle English · inherited frombetowen“bestowed, applied”
3. English todaybetow

From be- + tow, or as a back-formation from Middle English betowen (“bestowed, applied”), past participle of bitēn (“to tug, pull, cover, apply, devote, employ, bring about, perform”), from Old English betēon (“to cover, surround, enclose”).