from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To shield; hide.
- v. To lay wait for; overpower by means of some base stratagem.
- v. To blow or toss about; blow, waft, or sweep away.
- v. To wander or waver.
From Middle English biweven, biwǣven, from Old English bewǣfan ("to enfold, wrap round, cover over, clothe"). (Wiktionary)
From be- + wave. (Wiktionary)
I don't want to have to look at my keyboard to know how capslock will bewave next time I use it.