Bǫðmóðr (Old Norse) comes from Old Norse bǫð, from Proto-Germanic badwō, from Proto-Indo-European bʰodʰweh₂, from Proto-Indo-European bʰedʰh₂- — to dig, burrow; to pierce, stab.
Ancestry of “Bǫðmóðr”, step by step
Bǫðmóðr traces back through two separate lines of ancestry.