Where does “ryzy” come from?
ryzy (Lower Sorbian) comes from Proto-Slavic ryďь, from Proto-Balto-Slavic rūˀdjas, from Proto-Indo-European h₁ruHdʰ-yo-s, from Proto-Indo-European h₁rudʰ-yo-s, from Proto-Indo-European h₁rewdʰ- — red.
ryzy (Lower Sorbian): rusty , foxy red
Ancestry of “ryzy”, step by step