Where does “járnsmiður” come from?
járnsmiður (Icelandic) comes from Icelandic járn, from Old Norse járn, from Proto-Germanic īsarną, from Proto-Celtic īsarnom, from Proto-Indo-European h₁ésh₂r̥ — blood.
járnsmiður (Icelandic): blacksmith
Ancestry of “járnsmiður”, step by step