Where does “Arpad” come from?

Arpad (Romanian) 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 “Arpad”, step by step

StepLanguageWordMeaning
1HungarianÁrpád
2Hungarianárpabarley; stye, hordeolum
3Proto-Turkicarpabarley
4Proto-IranianarpacyaHbarley
5Proto-IranianHr̥pā́š ~ Hr̥pacáh
6Proto-Indo-IranianHr̥pā́ćš ~ Hr̥paćás
7Proto-Indo-Iranian-ā́ćšanimal and plant suffix
8Proto-Indo-European-eḱés

Words derived from “Arpad

Every word from Proto-Indo-European -eḱésEvery word from Proto-Indo-Iranian -ā́ćšEvery word from Proto-Indo-Iranian Hr̥pā́ćš ~ Hr̥paćás