Arabic

ǯarw-, ǯirw-, ǯurw - petit de chien, de lion ou de toute autre bête carnassière (whelp of a dog, lion or any other carnivorous animal) (BK 1 283, Lane 415, LA XIV 139)

The PS reconstruction points to ǯurw- as the basic form.

PS
*gūr-, *gury/w- - whelp, cub (SED II No. 82)