Crossword Genius

Dogged cardinal going over account with evidence of debts (9)

Ross

I believe the answer is:

tenacious

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'dogged' is the definition.
(I know that dogged can be written as tenacious)

'cardinal going over account with evidence of debts' is the wordplay.
'cardinal' becomes 'ten' (similar in meaning).
'going over' is a charade indicator (letters next to each other).
'account with' becomes 'ac' (abbreviation for account. I am not sure about the 'with' bit.).
'evidence of debts' becomes 'IOUs' (I Owe Yous, promises to pay debts).
'ten'+'ac'+'ious'='TENACIOUS'

Can you help me to learn more?

(Other definitions for tenacious that I've seen before include "Dogged" , "refusing to give up" , "Determined" , "Persevering" , "Persistent in holding on" .)

I've seen this clue in The Times.
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