Where does “лососий” come from?

лососий (Russian) comes from Russian лосо́сь, from Proto-Slavic lososь, from Proto-Balto-Slavic laśas, from Proto-Indo-European laḱs- — salmon, trout.

лососий (Russian): salmon

Definitions

  1. salmon

Ancestry of “лососий”, step by step

StepLanguageWordMeaning
1Russianлосо́сьsalmon
2Proto-Slaviclososьsalmon
3Proto-Balto-Slaviclaśas—
4Proto-Indo-Europeanlaḱs-salmon, trout
Every word from Proto-Indo-European laḱs- →Every word from Proto-Balto-Slavic laśas →Every word from Proto-Slavic lososь →