Where does “Iersen” come from?
Iersen (Saterland Frisian) comes from Old Frisian īsern, from Proto-West Germanic īsarn, from Proto-Germanic īsarną, from Proto-Celtic īsarnom, from Proto-Indo-European h₁ésh₂r̥ — blood.
Iersen (Saterland Frisian): iron
Ancestry of “Iersen”, step by step