Where does “doras” come from?

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

doras (Irish): door, doorway

Definitions

  1. door, doorway

Ancestry of “doras”, step by step

StepLanguageWordMeaning
1Old Irishdorusdoor
2Proto-Celticdworestusdoor
3Proto-Celtic*dwārdoor
4Proto-Indo-Europeandʰwṓrdoor
5Proto-Indo-Europeandʰwer-door
Every word from Proto-Indo-European dʰwer- →Every word from Proto-Indo-European dʰwṓr →Every word from Proto-Celtic *dwār →