Supergirl
/ˈsuːpəɡəːl/ /ˈsjuːpəɡəːl/noun
A young woman (occasionally a girl) having outstanding physical or mental abilities, talents, or achievements.
- In early use after superman; later usually with allusion to various fictional characters featuring as the female equivalent of comic book heroes Superboy and Superman..
Origin
Early 20th century. From super- + girl, after superman.