Crossword Genius

Attribute evident when one has a certain something? (9)

Ross

I believe the answer is:

ownership

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

'attribute evident' is the definition.
I can't judge whether this defines the answer.

'one has a certain something?' is the wordplay.
'one has' becomes 'owner' (I've seen this before).
'a certain something?' becomes 'ship' (I can't justify this - if you can you should give a lot more credence to this answer).
'owner'+'ship'='OWNERSHIP'

'when' acts as a link.

Can you help me to learn more?

(Other definitions for ownership that I've seen before include "Legal title" , "The right of possessing something" , "Proprietary right of possession" , "Proprietorship, possession" .)

I've seen this clue in The Telegraph.
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