Ten events the old can fancy (9)

I believe the answer is:

decathlon

I'm a little stuck... Click here to teach me more about this clue!

'ten events the old can fancy' is the definition.
I can't tell whether this defines the answer.

'the old can fancy' is the wordplay.
'fancy' indicates anagramming the letters.
'the'+'old'+'can'='theoldcan'
'theoldcan' anagrammed gives 'DECATHLON'.

Can you help me to learn more?

(Other definitions for decathlon that I've seen before include "Olympic athletics event" , "Versatile Olympic event" , "Athletic contest with ten different events" , "Series of events" , "sporting contest" .)

I've seen this clue in The Sun and The Independent.

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