Where does “пёсий” come from?

пёсий (Russian) comes from Russian пёс, from Proto-Slavic pьsъ, from Proto-Balto-Slavic píśas.

пёсий (Russian): dog

Definitions

  1. dog

Ancestry of “пёсий”, step by step

StepLanguageWordMeaning
1Russianпёсdog; male dog
2Proto-Slavicpьsъdog
3Proto-Balto-Slavicpíśas—
Every word from Proto-Balto-Slavic píśas →Every word from Proto-Slavic pьsъ →Every word from Russian пёс →