Where does “dor-dhuille” come from?

dor-dhuille (Scottish Gaelic) comes from Scottish Gaelic doras, from Old Irish dorus, from Proto-Celtic dworestus, from Proto-Celtic *dwār, from Proto-Indo-European dʰwṓr, from Proto-Indo-European dʰwer- — door.

dor-dhuille (Scottish Gaelic): folding door; leaf

Definitions

  1. folding door; leaf

Ancestry of “dor-dhuille”, step by step

dor-dhuille traces back through two separate lines of ancestry.

via Scottish Gaelic doras

StepLanguageWordMeaning
1Scottish Gaelicdorasdoor, doorway; wicket gate; opening
2Old Irishdorusdoor
3Proto-Celticdworestusdoor
4Proto-Celtic*dwārdoor
5Proto-Indo-Europeandʰwṓrdoor
6Proto-Indo-Europeandʰwer-door

via Scottish Gaelic duille

StepLanguageWordMeaning
1Scottish Gaelicduilleleaf; scabbard; vagina
2Middle Irishduilleleaf; foliage; something resembling a leaf,...
3Old Irishduilneleaf; collective foliage
4Proto-Celtic*dolinyāa leaf
5Proto-Indo-Europeandʰelh₁-blossom; be green; to bloom, be green
Every word from Proto-Indo-European dʰwer-Every word from Proto-Indo-European dʰwṓrEvery word from Proto-Celtic *dwār