Where does “іржа” come from?

іржа (Belarusian) comes from Proto-Slavic rъďa, from Proto-Slavic rudъ, from Proto-Balto-Slavic roudos, from Proto-Indo-European h₁rowdʰ-o-, from Proto-Indo-European h₁rewdʰ- — red.

іржа (Belarusian): rust

Definitions

  1. rust

Ancestry of “іржа”, step by step

StepLanguageWordMeaning
1Proto-Slavicrъďarust
2Proto-Slavicrudъred, blood red, reddish; ginger; brown
3Proto-Balto-Slavicroudos
4Proto-Indo-Europeanh₁rowdʰ-o-
5Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Indo-European h₁rewdʰ-Every word from Proto-Indo-European h₁rowdʰ-o-Every word from Proto-Balto-Slavic roudos