Crossword Genius

Old Inca ten confused (7)

Ross

I believe the answer is:

ancient

'old' is the definition.
(similar in meaning)

'inca ten confused' is the wordplay.
'confused' indicates anagramming the letters.
'inca'+'ten'='incaten'
'incaten' with letters rearranged gives 'ANCIENT'.

(Other definitions for ancient that I've seen before include "Extremely old" , "from Aristophanes' time" , "showing signs of wear?" , "Shakespearean standard-bearer" , "Veteran" .)

I've seen this clue in The Daily Express.
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