O.E. slitan "cut or tear up, slit," from P.Gmc. *slitanan (cf. O.S. slitan, O.N. slita, M.L.G., M.Du. sliten, Du. slijten, O.H.G. slizan, Ger. schleißen "to slit"). The noun is attested from mid-13c. Slang sense of "vulva" is attested from 1640s. Slit skirt is attested from 1913.