Where does “cuibăraș” come from?

cuibăraș (Romanian) comes from Aromanian cuibar, from Aromanian ar, from Latin arō, from Proto-Italic araō, from Proto-Indo-European h₂éryeti, from Proto-Indo-European h₂erh₃-, from Proto-Indo-European h₁er- — earth.

Ancestry of “cuibăraș”, step by step

StepLanguageWordMeaning
1Aromaniancuibarnest
2AromanianarI plough
3Latinarōto plough, till; to cultivate land, farm; to acquire by tillage
4Proto-Italicaraōto plough
5Proto-Indo-Europeanh₂éryetito be ploughing
6Proto-Indo-Europeanh₂erh₃-to plough
7Proto-Indo-Europeanh₁er-earth
Every word from Proto-Indo-European h₁er- →Every word from Proto-Indo-European h₂erh₃- →Every word from Proto-Indo-European h₂éryeti →