Where does “*arbaï” come from?
*arbaï (Proto-Mongolic) comes 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 “*arbaï”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Proto-Turkic | arpa | barley |
| 2 | Proto-Iranian | arpacyaH | barley |
| 3 | Proto-Iranian | Hr̥pā́š ~ Hr̥pacáh | — |
| 4 | Proto-Indo-Iranian | Hr̥pā́ćš ~ Hr̥paćás | — |
| 5 | Proto-Indo-Iranian | -ā́ćš | animal and plant suffix |
| 6 | Proto-Indo-European | -eḱés | — |