Where does “упокой” come from?

упокой (Russian) comes from Russian поко́й, from Proto-Slavic pokojь, from Proto-Slavic po- — after.

упокой (Russian): repose, eternal rest; second-person singular...

Definitions

  1. repose, eternal rest; second-person singular...

Ancestry of “упокой”, step by step

StepLanguageWordMeaning
1Russianпоко́йrest
2Proto-Slavicpokojьrest
3Proto-Slavicpo-after
Every word from Proto-Slavic po- →Every word from Proto-Slavic pokojь →Every word from Russian поко́й →