The word 搭档 (dādàng) is formed by combining two characters that each contribute a related idea of connection and support. The first character, 搭, means to "put up", "build", or "join together", carrying a sense of linking or partnering. The second, 档, originally refers to a crossbeam or a supporting frame (like in a shelf), implying structure, rank, or a matched set. Together, they create a powerful metaphor: the word visually suggests two structural pieces being joined or framed together, perfectly capturing the concept of a coordinated partnership or team where individuals interlock to form a supportive and functional whole.