Jiffy
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 22:34的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=jiffy+etymology&newwindow=1&hl=en ref] late 18th century: of unknown origin. == wiktion…”的新页面）
late 18th century: of unknown origin.
wiktionary
Origin unknown; said to have been thieves’ cant for “lightning”. Also formerly written "giffy", to which a connection with gliff has been proposed. [1] As a kind of envelope, a genericization of Jiffy bag.
etymonline
jiffy (n.)
1785, "a moment, an instant, short space of time," colloquial, origin unknown; said to have been thieves' slang for "lightning."
