What's the noun for doorway? Here's the word you're looking for.
door
A portal of entry into a building, room or vehicle, consisting of a rigid plane movable on a hinge. Doors are frequently made of wood or metal. May have a handle to help open and close, a latch to hold the door closed, and a lock that ensures the door cannot be opened without the key.
Any flap, etc. that opens like a door.
(immigration) An entry point.
A non-physical entry into the next world, a particular feeling, a company, etc.
“He could distinguish fruit from leaves on a tree, and read the name on a doorplate where others could see nothing in the darkness.”
“The doorplate was of cast iron of heavy section, strongly ribbed.”
“Using an angle iron for a frame, a brass doorplate for a foot rest, aluminum found in the basement for a handlebar and scrap steel for a brake, Mr. Gebbia designed his own.”