The word "奢侈" is formed by combining two characters: "奢" and "侈". "奢" is composed of the component "大" (meaning big) above "者" (meaning person or thing), structurally indicating excess or extravagance. "侈" is composed of the radical "亻" (meaning person) alongside "多" (meaning many), structurally suggesting multiplicity or wastefulness. Together, they form a compound where both characters contribute to the meaning of luxury or lavishness, emphasizing excessive behavior or consumption.