Where does “ryðönd” come from?
ryðönd (Icelandic) comes from Icelandic ryð, from Old Norse rustr, from Proto-Germanic rustaz, from Proto-Indo-European rudʰso-, from Proto-Indo-European h₁rewdʰ- — red.
ryðönd (Icelandic): ruddy shelduck
Ancestry of “ryðönd”, step by step