The word 利润 (lìrùn, "profit") is formed by combining two characters, each contributing a layer of meaning to create the final concept. The first character, 利, carries the core idea of "benefit", "advantage", or "gain". The second character, 润, adds the dimension of "moisture", "smoothness", or "enrichment", suggesting the fluid and nourishing nature of surplus value. Together, they conceptually depict gain (利) that is not merely static but is a surplus that enriches and flows (润), effectively forming the idea of financial profit as a beneficial surplus that adds value and sustenance.