Where does “пеночка” come from?

пеночка (Russian) comes from Russian пе́нка, from Russian пе́на, from Proto-Slavic pěna, from Proto-Balto-Slavic *(s)páināˀ, from Proto-Indo-European (s)poH(y)-, from Proto-Indo-European speh₁- — to succeed, to prosper.

пеночка (Russian): Diminutive of пе́нка; leaf warbler

Definitions

  1. Diminutive of пе́нка; leaf warbler

Ancestry of “пеночка”, step by step

StepLanguageWordMeaning
1Russianпе́нкаleaf warbler; skin on milk; wren
2Russianпе́наfoam
3Proto-Slavicpěnafoam
4Proto-Balto-Slavic*(s)páināˀ
5Proto-Indo-European(s)poH(y)-foam
6Proto-Indo-Europeanspeh₁-to succeed, to prosper
Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European (s)poH(y)-Every word from Proto-Balto-Slavic *(s)páināˀ