The word 月亮 is formed through a direct and vivid conceptual combination: the first character 月 means "moon", the celestial object itself, while the second character 亮 means "bright" or "to shine". Together, they literally mean "moon-bright", naming the object not in isolation but by its most defining and observable characteristic, its luminous appearance in the night sky. This formation reflects a way of thinking where a thing is often identified by its prominent attribute, creating a compound that captures the essence of the moon as it is experienced.