Where does “Rijavec” come from?

Rijavec (Slovene) comes from Slovene rjavec, from Slovene rjav, from Proto-Slavic rъďavъ, 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.

Ancestry of “Rijavec”, step by step

StepLanguageWordMeaning
1Slovenerjaveca brown animal, especially a horse or ox
2Slovenerjavbrown
3Proto-Slavicrъďavъrusty
4Proto-Slavicrъďarust
5Proto-Slavicrudъred, blood red, reddish; ginger; brown
6Proto-Balto-Slavicroudos—
7Proto-Indo-Europeanh₁rowdʰ-o-—
8Proto-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 →