Archway (noun)

1. A curved structure that forms an opening in a wall or building, often used as a decoration or as a passage.
2. A gateway or entranceway, typically consisting of a curved top supported by columns or pillars.

Origin:

From old english ærceweg, from latin arcus + -way.

Examples:

1. The garden was entered through a grand archway.
2. The archway was decorated with intricate carvings and sculptures.
3. The archway leads to a beautiful courtyard.
4. The ancient archway had stood for centuries, but was in danger of collapsing.
5. The archway was the only means of access to the secret chamber.