Where does “polorovina” come from?

polorovina (Czech) comes from Czech rovina, from Proto-Slavic *orvьnina — plain.

polorovina (Czech): half-plane

Definitions

  1. half-plane

Ancestry of “polorovina”, step by step

StepLanguageWordMeaning
1Czechrovinaplain, flatland; plane; level
2Proto-Slavic*orvьninaplain
Every word from Proto-Slavic *orvьnina →Every word from Czech rovina →