- girlfriend (n.)
[girlfriend 词源字典]
- also girl-friend, by 1859 as "a woman's female friend in youth," from girl + friend (n.). As a man's sweetheart, by 1922. She-friend was used 17c. in the same set of senses, of the mistress of a man and of a woman who is a close friend of another.[girlfriend etymology, girlfriend origin, 英语词源]