Arabic

ˁakābir- - mares murum, quibus yarbūˁ- nomen est (Fr. III 199, LA IV 601, TA 13 122, Q II 95)

For the sing. forms v. Hommel 1879 338, GD 2315.

PS
*ˁakbar- - mouse, jerboa (SED II No. 30, Fron. V 296)