c.1300, from Anglo-Fr.
weyver "to abandon, waive," O.Fr.
weyver, guever "to abandon, give back," probably from a Scand. source akin to O.N.
veifa "to swing about," from P.Gmc.
*waibijanan (see
waif). In M.E. legal language, used of rights, goods, or women.
Waiver "act of waiving" is from 1628 (modern usage is often short for
waiver clause); baseball
waivers is recorded from 1907.