Where does “orby” come from?

orby (Czech) comes from Czech orba, from Czech orat, from Old Czech orati, from Proto-Slavic oràti, from Proto-Balto-Slavic árˀtei, from Proto-Indo-European h₂éryeti, from Proto-Indo-European h₂erh₃-, from Proto-Indo-European h₁er- — earth.

orby (Czech): inflection of orba: ## genitive singular ##...

Definitions

  1. inflection of orba: ## genitive singular ##...

Ancestry of “orby”, step by step

StepLanguageWordMeaning
1Czechorbaploughing
2Czechoratto plough
3Old Czechorati—
4Proto-Slavicoràtito plough
5Proto-Balto-Slavicárˀteito plow/plough
6Proto-Indo-Europeanh₂éryetito be ploughing
7Proto-Indo-Europeanh₂erh₃-to plough
8Proto-Indo-Europeanh₁er-earth
Every word from Proto-Indo-European h₁er- →Every word from Proto-Indo-European h₂erh₃- →Every word from Proto-Indo-European h₂éryeti →