Where does “сипах” come from?
сипах (Serbo-Croatian) comes from Ottoman Turkish سپاهی, from Persian سپاهی, from Persian سپاه, from Proto-Iranian *cwáHdah, from Proto-Indo-Iranian *ćwáHdʰaH, from Proto-Indo-European ḱwéh₁-dʰ-o-h₁.
сипах (Serbo-Croatian): sepoy; spahi
Ancestry of “сипах”, step by step