This is the 1557th most frequent Japanese word.
入口
Entrance.
Specifies the location of the entrance within a specific context.
博物館の入口は左側です。
The entrance to the museum is on the left side.
The word as a signage label indicating an access point, emphasizing the proper usage of the area.
「入口」には間違って入らないでください。
Please do not enter through the door labeled 'Entrance' incorrectly.
General term referring to an access point.