The word "灼伤" is formed by combining the character "灼", meaning to burn, which consists of the fire radical (火) indicating its association with heat or fire and the component "勺" primarily serving a phonetic function, with the character "伤", meaning injury, which consists of the person radical (亻) relating to human affect and the component "昜" providing phonetic cues. Together, they create a compound where "灼" specifies the causative action and "伤" denotes the resultant harm, thus conveying the meaning of a burn injury.