Akkadian

ibāru - a mark of discoloration on the skin (CAD I 1, AHw. 363)

PS
*ḥVbVr- - spot on the skin, bruise, mark of violence (SED I No. 111; Kogan 2011: 230)
Likely connected with Sem. *ḥbr ‘to paint, dye, mark’, *ḥVbr- ‘color, paint, mark’