Where does “eller” come from?

eller (Norwegian Nynorsk) comes from Old Norse [[ella]], [[ellar]], from Proto-Germanic aljaz, from Proto-Indo-European h₂élyos, from Proto-Indo-European h₂él-.

eller (Norwegian Nynorsk): or

Definitions

Ancestry of “eller”, step by step

Step	Language	Word	Meaning
1	Old Norse	[[ella]], [[ellar]]	—
2	Proto-Germanic	aljaz	other, another, else
3	Proto-Indo-European	h₂élyos	other, another
4	Proto-Indo-European	h₂él-	—

Every word from Proto-Indo-European h₂él- →

eller — Etymology, Origin & Word History | Etymology Explorer