Where does “grasduin” come from?

grasduin (Dutch) comes from Dutch duin, from Middle Dutch dûne, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

grasduin (Dutch): grassy dune

Definitions

  1. grassy dune

Ancestry of “grasduin”, step by step

grasduin traces back through two separate lines of ancestry.

via Dutch duin

StepLanguageWordMeaning
1DutchduinA dune
2Middle Dutchdûne
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Dutch gras

StepLanguageWordMeaning
1Dutchgrasgrass
2Middle Dutchgrasgrass
3Old Dutchgras
4Proto-West Germanicgrasgrass
5Proto-Germanicgrasągrass
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Proto-Germanic *dūnā