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