PWS

*gar(r)- - back, rear, buttocks (SED I No. 89)

Arabic
ǯār- - anus; pudendum of a woman (BK 1 352, Lane 483)
Tigre
gərra - back (WTS 571)
Chaha
gära - buttocks, anus (EDG 287)
Ezha
gära - buttocks, anus (EDG 287)
Muher
gära - buttocks, anus (EDG 287)