Where does “elf” come from?

elf (Old English) comes from Proto-Germanic albiz, from Proto-Indo-European albʰós — white.

Ancestry of “elf”, step by step

StepLanguageWordMeaning
1Proto-Germanicalbizelf, fairy
2Proto-Indo-Europeanalbʰóswhite

Words derived from “elf

Every word from Proto-Indo-European albʰósEvery word from Proto-Germanic albiz