The word **凯旋** (kǎixuán) is a classical Chinese compound formed by combining two distinct characters: **凯** (kǎi), which historically refers to the triumphant music played by the military upon victory, and **旋** (xuán), which means "to return" or "to revolve." Together, they create the specific meaning of "to return in triumph" or "to achieve a victorious return," originally from war but now extended to any major success. The formation is not merely literal addition but a poetic and conceptual fusion, where **凯** encapsulates the state of victory and **旋** the action of coming back, perfectly capturing the complete narrative arc of going forth, succeeding, and returning home gloriously. In modern usage, it functions as a fixed, elegant term for celebrating a triumphant achievement.