Where does “fjærpenn” come from?

fjærpenn (Norwegian Bokmål) comes from Norwegian Bokmål fjær, 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.

fjærpenn (Norwegian Bokmål): a feather pen, quill pen

Definitions

  1. a feather pen, quill pen

Ancestry of “fjærpenn”, step by step

fjærpenn traces back through two separate lines of ancestry.

via Norwegian Bokmål fjær

StepLanguageWordMeaning
1Norwegian Bokmålfjæra feather; a spring
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 Norwegian Bokmål penn

StepLanguageWordMeaning
1Norwegian Bokmålpenna pen
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Germanic feþrō →