The Chinese word "霉菌" is formed by combining the character "霉", meaning mold and constructed from the radical "雨" (rain/moisture) and the component "每", with the character "菌", meaning fungus and composed of the radical "艹" (plant) and the component "囷". Together, they create a compound term where "霉" specifies the mold type and "菌" indicates the fungal category, directly referring to mold fungi.