Where does “ar-” come from?

ar- (Proto-Indo-European) comes from Proto-Indo-European h₁er- — earth.

Ancestry of “ar-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanh₁er-earth

Words derived from “ar-

Every word from Proto-Indo-European h₁er-
ar- — Etymology, Origin & Word History | Etymology Explorer