The Chinese word **骑手 (qíshǒu)**, meaning "rider" or "horseman," is a compound noun formed through a straightforward and common morphological process. It combines the verb **骑 (qí)**, meaning "to ride" (typically a horse or bicycle), with the noun **手 (shǒu)**, which literally means "hand" but here functions as an agentive suffix meaning "a person skilled in or engaged in an activity." Therefore, the term literally parses as "riding-person," directly describing someone whose role is to ride. While historically associated with cavalry or equestrians, its usage has smoothly extended to modern contexts, such as bicycle messengers or food delivery riders (e.g., 外卖骑手).