Where does “Arpád” come from?
Arpád (Slovak) comes from Hungarian Árpád, from Hungarian árpa, from Proto-Turkic arpa, from Proto-Iranian arpacyaH, from Proto-Iranian Hr̥pā́š ~ Hr̥pacáh, from Proto-Indo-Iranian Hr̥pā́ćš ~ Hr̥paćás, from Proto-Indo-Iranian -ā́ćš, from Proto-Indo-European -eḱés.
Ancestry of “Arpád”, step by step