- chat (n.)
[chat 词源字典]
- 1520s, "chatter, frivolous talk;" see chat (v.). Meaning "familiar conversation" is from 1570s. Chat show, for what in U.S. is a talk show, attested from 1969. Chat room in the online sense is attested by 1994, from the days when AOL ruled the Web.[chat etymology, chat origin, 英语词源]