Where does “featherdown” come from?

featherdown (English) comes from English feather, 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.

featherdown (English): Down

Definitions

  1. Down

Ancestry of “featherdown”, step by step

featherdown traces back through two separate lines of ancestry.

via English feather

StepLanguageWordMeaning
1EnglishfeatherA branching, hair-like structure that grows on...
2Germanfederfeather
3Middle High Germanvëderefeather
4Old High Germanfedarafeather
5Proto-West Germanicfeþrufeather
6Proto-Germanicfeþrōfeather
7Proto-Indo-Europeanpéth₂r̥wing; feather
8Proto-Indo-Europeanpeth₂-to spread out; to fly

via English Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European peth₂-