Excel in ring, being absurdly tough and fit (8)

I believe the answer is:

outfight

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

'excel in ring' is the definition.
I can't tell whether this defines the answer.

'absurdly tough and fit' is the wordplay.
'absurdly' is an anagram indicator (I've seen this in other clues).
'and' says to put letters next to each other.
'tough' after 'fit' is 'fittough'.
'fittough' with letters rearranged gives 'OUTFIGHT'.

'being' acts as a link.

Can you help me to learn more?

(Another definition for outfight that I've seen is " Get the better of".)

I've seen this clue in The Guardian.

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