Literature Reference: The Dai residence lies to the right of the Green Gate, with the detached palace bordering the Purple Path. Source from 'You Xingqing Gong Zuo'.
青: Azure, the hue of youth. In names, it often signifies youthful vitality, beneficial for physical well-being and continuous ascent in life.
门: Method, knack.
Meaning: The Green Gate often symbolizes nobility and elegance, representing dignity and tranquility.