norðmaðr (Old Norse) comes from Old Norse norðr, from Proto-Germanic nurþrą, from Proto-Germanic nurþraz, from Proto-Indo-European *nér — below the surface, below.
norðmaðr (Old Norse): man from the North; Norseman
Definitions
man from the North; Norseman
Ancestry of “norðmaðr”, step by step
norðmaðr traces back through two separate lines of ancestry.