forgery (n.)youdaoicibaDictYouDict[forgery 词源字典]
1570s, "a thing made fraudulently," from forge (v.) + -ery. Meaning "act of counterfeiting" is 1590s. The literal sense of the verb tended to go with forging (late 14c. as "act of working on a forge," 1858 as "piece of work made on a forge").[forgery etymology, forgery origin, 英语词源]