門
もん · mon · JLPT N5 · noun
gate
🚪 門 = two swinging door leaves side by side; mon as in the Kaminari-mon gate
The character is a pictograph of a double-leaf gate: each half is one door panel. The reading mon is the Chinese-derived one, heard in famous gate names like Kaminarimon in Tokyo and in 専門 (senmon, specialty).