Crossword Genius

Copper abandoned remote obsession (8)

Ross

I believe the answer is:

farthing

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

'copper abandoned remote obsession' is the definition.
The answer and definition can be both related to property as well as being singular nouns.
Maybe you can see a link between them that I don't see?

'remote obsession' is the wordplay.
'remote' becomes 'far' (synonyms).
'obsession' becomes 'thing' (I've seen this before).
'far'+'thing'='FARTHING'

Can you help me to learn more?

(Other definitions for farthing that I've seen before include "Old British coin" , "Obsolete small coin" , "It used to be one quarter of a penny" , "Former British coin" , "Old piece" .)

I've seen this clue in The Times.
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