Origin: 1175–1225; Middle English slitte (noun), slitten (v.); cognate with German schlitzen to split, slit; akin to Old English slite a slit, geslit a bite, slītan to split; see slice
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.