The word "衙役" is formed by combining the character "衙", which denotes a yamen or government office, with "役", meaning servant or laborer. The character "衙" is constructed from "行", suggesting administrative movement, and "吾", primarily providing phonetic indication. "役" is composed of "彳", implying service or walking, and "殳", conveying force or duty. Thus, "衙役" directly signifies a servant in a government office, specifically a yamen attendant or runner.