One chats about last event (8)

I believe the answer is:

eschaton

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'last event' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'one chats about' is the wordplay.
'about' indicates an anagram.
'one'+'chats'='onechats'
'onechats' anagrammed gives 'ESCHATON'.

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I've seen this clue in The Times.

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