Plural of chitchat; informal, casual conversations or gossip about trivial matters.
From reduplication of 'chit' (meaning a brief note or small thing), repeated to create 'chitchat.' The doubling creates an onomatopoetic effect suggesting quick, light conversation.
This word is onomatopoeia in disguise—the 'chit-chit' repetition actually mimics the sound of quick, light conversations, which is why it perfectly captures the essence of meaningless gossip!
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