Where does “æðardúnn” come from?

æðardúnn (Icelandic) comes from Icelandic dúnn, from Old Norse dúnn, from Proto-Germanic dūnaz, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

æðardúnn (Icelandic): eiderdown

Definitions

  1. eiderdown

Ancestry of “æðardúnn”, step by step

æðardúnn traces back through two separate lines of ancestry.

via Icelandic dúnn

StepLanguageWordMeaning
1Icelandicdúnndown
2Old Norsedúnndown, down feather
3Proto-GermanicdūnazAlternative form of *dūnǭ; down
4Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Icelandic æður

StepLanguageWordMeaning
1Icelandicæðureider; vein; wadable
2Old Norseæðrvein; eider
3Proto-Germanicēþrōvein
4Proto-Indo-Europeanēt-er-stomach, intestines
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Germanic dūnaz →Every word from Old Norse dúnn →