Where does “*iʔsǝm” come from?

*iʔsǝm (Proto-Berber) comes from Proto-Afro-Asiatic *sim-.

Ancestry of “*iʔsǝm”, step by step

Step	Language	Word	Meaning
1	Proto-Afro-Asiatic	*sim-	—

*iʔsǝm — Etymology, Origin & Word History | Etymology Explorer