The Proto-Indo-European word *h₄elbʰós
Word *h₄elbʰós
Meaning white
See also Hittite: al-pa-aš ‘cloud’
Synonyms *ar(e)-ĝ-, *h₂erĝ-, *k̂weitos, *bʰelh₁-, *h₂r̥ĝ(u)-

Comments
Lat. albus, Umbrian alfu, Hitt. alpas, Gm. Alps, Welsh elfydd, Russ. lebed', Eng. ælf/elf, Gk. alphos, Lyc. alb-, ON alfr