Janet
来自Big Physics
wiktionary
Medieval diminutive of Jane; equivalent to French Jeannette and Spanish Juanita. It survived in Scotland and has been revived as a formal given name in all English-speaking countries since the 19th century.
etymonline
Janet
fem. proper name, a diminutive of Jane with -et. In Middle English, Ionete-of-the-steues "Janet of the Stews" (see stew (n.)) was a common name for a prostitute (late 14c.).