Where does “пернатый” come from?

пернатый (Russian) comes from Russian перо́, from Proto-Slavic però, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

пернатый (Russian): feathery

Definitions

  1. feathery

Ancestry of “пернатый”, step by step

StepLanguageWordMeaning
1Russianперо́feather
2Proto-Slavicperòwing
3Proto-Indo-Europeanpéth₂r̥wing; feather
4Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Slavic però →