Where does “лос” come from?

лос (Bulgarian) comes from Russian лось, from Old East Slavic лось, from Proto-Slavic ȏlsь, from Proto-Balto-Slavic alśis, from Proto-Indo-European h₁ólḱis, from Proto-Indo-European h₁el- — greyish or brownish coloration; deer, elk;...

лос (Bulgarian): moose male individual of genus

Definitions

  1. moose male individual of genus

Ancestry of “лос”, step by step

StepLanguageWordMeaning
1Russianлосьmoose (U.S., Canada), elk (British)
2Old East Slavicлось—
3Proto-Slavicȏlsьelk (British), moose (U.S.)
4Proto-Balto-Slavicalśiselk, moose
5Proto-Indo-Europeanh₁ólḱiselk
6Proto-Indo-Europeanh₁el-greyish or brownish coloration; deer, elk;...
Every word from Proto-Indo-European h₁el- →Every word from Proto-Indo-European h₁ólḱis →Every word from Proto-Balto-Slavic alśis →