Where does “pernica” come from?

pernica (Serbo-Croatian) comes from Serbo-Croatian pèro, from Proto-Slavic però, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

pernica (Serbo-Croatian): pencil box, pencil case; pillow

Definitions

  1. pencil box, pencil case; pillow

Ancestry of “pernica”, step by step

pernica traces back through two separate lines of ancestry.

via Serbo-Croatian pèro

StepLanguageWordMeaning
1Serbo-Croatianpèrofeather, plume
2Proto-Slavicperòwing
3Proto-Indo-Europeanpéth₂r̥wing; feather
4Proto-Indo-Europeanpeth₂-to spread out; to fly

via Serbo-Croatian perje

StepLanguageWordMeaning
1Serbo-Croatianperjefeathers, plumage
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Slavic però →