Where does “Berglund” come from?

Berglund (Swedish) comes from Swedish Berg, from Old Norse bjarg, from Proto-Germanic bergaz, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

Ancestry of “Berglund”, step by step

Berglund traces back through two separate lines of ancestry.

via Swedish Berg

Step	Language	Word	Meaning
1	Swedish	Berg	a mountain
2	Old Norse	bjarg	Alternative form of berg; cliff
3	Proto-Germanic	bergaz	hill; mountain; refuge; shelter
4	Proto-Indo-European	bʰerǵʰ-	to rise; high, lofty; hill, mountain

via Swedish lund

Step	Language	Word	Meaning
1	Swedish	lund	a grove
2	Old Swedish	lunder	—
3	Old Norse	lundr	grove, clump of trees; a tree

Every word from Proto-Indo-European bʰerǵʰ- →Every word from Proto-Germanic bergaz →Every word from Old Norse bjarg →