Where does “sanddyne” come from?

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

sanddyne (Norwegian Bokmål): a sand dune

Definitions

  1. a sand dune

Ancestry of “sanddyne”, step by step

sanddyne traces back through two separate lines of ancestry.

via Norwegian Bokmål dyne

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

via Norwegian Bokmål sand

StepLanguageWordMeaning
1Norwegian Bokmålsandsand
2Old Norsesandrsand; sandbanks, sands, sandy ground
3Proto-Germanicsamdazsand
4Proto-Indo-Europeansámh₂dʰossand
5Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Proto-Germanic *dūnā →