Where does “Mahomedism” come from?
Mahomedism (English) comes from English Mahomed, from Arabic مُحَمَّد, from Classical Persian جَان, from Middle Persian 𐫃𐫏𐫀𐫗, from Proto-Iranian *wyaHnáH, from Proto-Indo-Iranian wyaHnás, from Proto-Indo-European h₂enh₁‑.
Ancestry of “Mahomedism”, step by step