The word 家门 is formed through a direct and conceptually unified compound of two fundamental pictographic characters: 家, depicting a house with a pig under its roof to represent the idea of a settled household or family, and 门, a stylized drawing of a double-leafed gate or door. These elements are combined not by grammatical rules but by a spatial and symbolic association, where the physical entrance (门) of the family dwelling (家) is used to represent metaphorically the entire household, its lineage, reputation, or social standing. The formation essentially takes a tangible, literal location, the family gate, and expands its meaning to embody the abstract collective identity and honor of the family unit within it.