jernalder (Danish) comes from Danish jern, from Old Danish jarn, from Old Norse járn, from Proto-Germanic īsarną, from Proto-Celtic īsarnom, from Proto-Indo-European h₁ésh₂r̥ — blood.
jernalder (Danish): Iron Age
Definitions
Iron Age
Ancestry of “jernalder”, step by step
jernalder traces back through two separate lines of ancestry.