advertisement (n.)youdaoicibaDictYouDict[advertisement 词源字典]
early 15c., "written statement calling attention to" something, "public notice" (of anything, but often of a sale); from Middle French avertissement, from stem of avertir (see advertise). Meaning "public notice" (usually paid), the main modern sense, emerged 1580s and was fully developed by 18c.[advertisement etymology, advertisement origin, 英语词源]