The word **档次** is a modern Chinese compound formed by combining two characters, each contributing distinct but related meanings to create a new concept. The first character, **档** (dàng), originally referred to crossbeams or shelves used for storage, extending metaphorically to denote categories, files, or grades (like price brackets or gear levels). The second character, **次** (cì), means "order," "sequence," or "next in line." When combined, **档次** synthesizes these ideas to mean a "grade," "level," "tier," or "class" within a hierarchical order of quality, rank, or sophistication, essentially describing something's position on a calibrated scale of evaluation.