The Chinese word "司令官" (sīlìngguān) is a compound term formed by combining three distinct morphemes: "司" (sī), which means to take charge or command; "令" (lìng), meaning order or decree; and "官" (guān), meaning official or officer. The core unit "司令" is itself a common word for "commander," literally "one in charge of orders." By adding the suffix "官," which explicitly denotes a person holding an official position, the term is reinforced and specified to mean "commanding officer," creating a more formal and complete title that emphasizes the official military authority of the role.