Where does “Federwolke” come from?

Federwolke (German) comes from German feder, from Middle High German vëdere, from Old High German fedara, from Proto-West Germanic feþru, from Proto-Germanic feþrō, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

Federwolke (German): cirrus cloud

Definitions

  1. cirrus cloud

Ancestry of “Federwolke”, step by step

Federwolke traces back through two separate lines of ancestry.

via German feder

StepLanguageWordMeaning
1Germanfederfeather
2Middle High Germanvëderefeather
3Old High Germanfedarafeather
4Proto-West Germanicfeþrufeather
5Proto-Germanicfeþrōfeather
6Proto-Indo-Europeanpéth₂r̥wing; feather
7Proto-Indo-Europeanpeth₂-to spread out; to fly

via German wolke

StepLanguageWordMeaning
1Germanwolkecloud, made of steam, ash, smoke or anything that resembles such a mass (may also be Schwaden or Schwade in this sense)
2Middle High Germanwolkencloud
3Old High Germanwolkan—
4Proto-Germanicwulkanącloud
5Proto-Indo-Europeanwelg-wet, damp
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Germanic feþrō →