ic ▁Sem it ic ▁features , ▁especially ▁in ▁their ▁system ▁of ▁ph on ology . ▁For ▁example , ▁they ▁preserve ▁the ▁later al ▁fr ic atives ▁of ▁Pro to - S emit ic . ▁ ▁Additionally , ▁Milit are v ▁identified ▁a ▁C ush it ic ▁substr atum ▁in ▁Modern ▁South ▁Arab ian , ▁which ▁he ▁propos es ▁is ▁evidence ▁that ▁C ush it ic ▁speak ers ▁originally ▁inhab ited ▁the ▁Arab ian ▁Pen ins ula ▁alongside ▁Sem it ic ▁speak ers ▁( Mil itare v ▁ 1 9 8 4 , ▁ 1 8 - 1 9 ; ▁c f . ▁also ▁Bel ova ▁ 2 0 0 3 ). ▁According ▁to ▁V ác lav ▁Bla ž ek , ▁this ▁suggests ▁that ▁Sem it ic ▁pe op les ▁assim il ated ▁their ▁original ▁C ush it ic ▁neighb ours ▁to ▁the ▁south ▁who ▁did ▁not ▁later ▁em igr ate ▁to ▁the ▁Horn ▁of ▁Africa . ▁He ▁arg ues ▁that ▁the ▁Lev ant ▁would ▁thus ▁have ▁been ▁the ▁Pro to - A f ro - A si atic ▁Ur heim at , ▁from ▁where ▁the ▁various ▁branches ▁of ▁the ▁Af ro - A si atic ▁family ▁subsequently ▁dispers ed . ▁To ▁further ▁support ▁this , ▁Bla ž ek ▁c ites ▁analysis ▁of ▁rock ▁art ▁in ▁Central ▁Arab ia ▁by ▁An ati ▁( 1 9 6 8 , ▁ 1 8 0 - 8 4 ), ▁which ▁notes ▁a ▁connection ▁between ▁the ▁shield - car ry ing ▁" oval - head ed " ▁people