선종 (禪宗)을 특별히 종문 (宗門)이라 한다. 이에 대해 교종 (敎宗)을 교문 (敎門)이라 했으니, 선종이 곧 불법 (佛法)의 종지 (宗旨)를 전하는 문이라는 뜻

It was originally the common term for "sects". However, it was later appropriated to itself by the Ch’an school refers to the other schools as teaching sects, i.e., schools which rely on words and texts rather than on intuition or the inner light.