Etymology
Inherited from Middle English wesand, wesande, wesaunt, from Old English *wǣsend, wāsend (“weasand, windpipe, gullet”), from Proto-West Germanic *waisund, *waisundu (“windpipe, gullet”), from Proto-Indo-European *weys- (“to flow, run”). Cognate with Old Frisian wāsande (“weasand”), Old Saxon wāsendi, Old High German weisant (“windpipe”), Middle High German weisant (“windpipe”), Bavarian Waisel, Wasel, Wasling (“the gullet of ruminating animals”), Alemannic German Weisel (“esophagus (of an animal)”).