Where does “Valhalla” come from?

Valhalla (Portuguese) comes from Old Norse Valhǫll, from Old Norse valr, from Proto-Germanic walaz, from Proto-Indo-European welh₃- — to hit, to strike.

Valhalla (Portuguese): Valhalla the home of warriors slain gloriously in battle

Definitions

Valhalla the home of warriors slain gloriously in battle

Ancestry of “Valhalla”, step by step

Step	Language	Word	Meaning
1	Old Norse	Valhǫll	Valhalla
2	Old Norse	valr	the dead, slain in battle; falcon, hawk
3	Proto-Germanic	walaz	wounded; lich, corpse, dead body; battlefield
4	Proto-Indo-European	welh₃-	to hit, to strike

Every word from Proto-Indo-European welh₃- →Every word from Proto-Germanic walaz →Every word from Old Norse valr →