O.E. wecg "a wedge," from P.Gmc. *wagjaz (cf. O.N. veggr, M.Du. wegge, Du. wig, O.H.G. weggi "wedge," Ger. Weck "wedge-shaped bread roll"), of unknown origin. The verb is recorded from 1440. Wedgie in the underwear prank sense is attested by 1970s. Wedge issue is attested from 1999.