Meaning

noun a swinging or sliding barrier that will close the entrance to a room or building or vehicle

noun the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close

noun anything providing a means of access (or escape)

originFrom Middle English dore, dor, from Old English duru (“door”), dor (“gate”), from Proto-West Germanic *dur, from Proto-Germanic *durz, from Proto-Indo-European *dʰwṓr, from *dʰwer- (“doorway, door, gate”). Cognates Cognate with Scots door (“door”), Saterland Frisian Doore (“door”), West Frisian doar (“door”), Dutch deur (“door”), German Low German Door, Döör (“door”), German Tür (“door”), Tor…

Etymology from Wiktionary, CC BY-SA 3.0