PS

*ˀVrāw­, *wVrāˀ­ - back (SED I No. 10)

Akkadian
erûtu - back (CAD E 327, AHw. 248)

Var. arûtu.

Arabic
warāˀ- - partie postérieure, de derrière (BK 2 1527)

Cf. warāniyat- 'cul, derrière' [BK 2 1525] (compared to the present root in [DRS 631]).

Geez
ˀurāˀu - waist (CDG 36)