Little in latest chariot attack (4)

I believe the answer is:

iota

'little' is the definition.
(thesaurus)

'in latest chariot attack' is the wordplay.
'in' says the answer is hidden in the clue.
'IOTA' is hidden in the letters of 'latest chariot attack'.

(Other definitions for iota that I've seen before include "Jot or tittle" , "Tiniest scrap" , "European letter" , "(Not one) little bit" , "Ninth letter of Greek alphabet, small amount" .)

I've seen this clue in the Sydney Morning Herald.

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