Webster's 1828 Dictionary
CHIT-CHAT
n.[See Chat, Chatter. ] Prattle; familiar or trifling talk.
Oxford Dictionary
chit-chat
chit-chat informal ▶noun [ mass noun ] inconsequential conversation. ▶verb [ no obj. ] talk about trivial matters: I can't stand around chit-chatting. ORIGIN late 17th cent.: reduplication of chat 1 .
Oxford Thesaurus
chit-chat
chit-chat noun informal Lucenzo didn't indulge in idle chit-chat: small talk, chat, chatting, chatter, chitter-chatter, prattling, prattle, gossip, tittle-tattle, tattle; Brit. informal nattering, chuntering.