Etymology

From Proto-Iranian, from Proto-Indo-Iranian, from Proto-Indo-European *dʰwer- ‎(“gate, door”). Cognate with Persian در ‎(dar), Hindustani द्वार ‎(dvār) / دوار ‎(dvār), English door, German Tür, Armenian դուռ ‎(duṙ), Irish doras and Russian дверь ‎(dver’).