- teenager (n.)
[teenager 词源字典]
- also teen ager, teen-ager; 1922, derived noun from teenage (q.v.). The earlier word for this was teener, attested in American English from 1894, and teen had been used as a noun to mean "teen-aged person" in 1818, though this was not common before 20c.[teenager etymology, teenager origin, 英语词源]