Akkadian

šarāmu - to break open a seal, cut to size, prune, weed (CAD Š₂ 48, AHw. 1184)

PS
*ŝrm - to cut, split, break (SED I 324–325)
Cf. *ŝrm to have a nose with a cut-off tip; have a slit lip (SED I No. 69ᵥ).