Where does “утренник” come from?

утренник (Russian) comes from Russian утренний, from Russian у́тро, from Proto-Slavic (j)utro — dawn; morning, dawn.

утренник (Russian): matinee; predawn frost

Definitions

  1. matinee; predawn frost

Ancestry of “утренник”, step by step

StepLanguageWordMeaning
1Russianутреннийmorning-, of the morning
2Russianу́троmorning
3Proto-Slavic(j)utrodawn; morning, dawn
Every word from Proto-Slavic (j)utro →Every word from Russian у́тро →Every word from Russian утренний →