Arabic

ḫrm - to have the partition between his nostrils cut, or mutilated (BK 1 565, Lane 730)

i-vowel

PWS
*ḫrm - to have a notch, cut in the skin (nose, ear, lip) (SED I No. 30v)
Likely to be connected with Sem. *ḫrm ‘to cut, split, divide’ (cf. CDG 264, HALOT 354).