Where does “Арвайхээр” come from?

Арвайхээр (Mongolian) comes from Mongolian арвай, from Classical Mongolian ᠠᠷᠪᠠᠢ, from Middle Mongolian ꡝꡘ ꡎ, from Proto-Mongolic *arbaï, from Proto-Turkic arpa, from Proto-Iranian arpacyaH, from Proto-Iranian Hr̥pā́š ~ Hr̥pacáh, from Proto-Indo-Iranian Hr̥pā́ćš ~ Hr̥paćás.

Ancestry of “Арвайхээр”, step by step

Арвайхээр traces back through two separate lines of ancestry.

via Mongolian арвай

StepLanguageWordMeaning
1Mongolianарвайbarley
2Classical Mongolianᠠᠷᠪᠠᠢ
3Middle Mongolianꡝꡘ ꡎ
4Proto-Mongolic*arbaï
5Proto-Turkicarpabarley
6Proto-IranianarpacyaHbarley
7Proto-IranianHr̥pā́š ~ Hr̥pacáh
8Proto-Indo-IranianHr̥pā́ćš ~ Hr̥paćás
9Proto-Indo-Iranian-ā́ćšanimal and plant suffix
10Proto-Indo-European-eḱés

via Mongolian хээр

StepLanguageWordMeaning
1Mongolianхээрwilderness, wasteland

Words derived from “Арвайхээр

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