The word "阿嚏" is formed as an onomatopoeic representation of the sound of a sneeze, combining the character "阿" (ā) to capture the initial intake or exclamation with "嚏" (tì) which directly mimics the explosive sound of the sneeze itself; "嚏" is a semantic-phonetic character where the radical "口" (mouth) indicates its relation to sound or action from the mouth, and the component "嚏" historically conveys phonetic value, together creating a phonetic imitation of the sneezing sound.