Spoil tail fashioned from a couple (7)

I believe the answer is:

marital

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'from a couple' is the definition.
I can't tell whether this defines the answer.

'spoil tail fashioned' is the wordplay.
'spoil' becomes 'mar' (synonyms).
'fashioned' indicates anagramming the letters.
'tail' anagrammed gives 'ital'.
'mar'+'ital'='MARITAL'

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(Other definitions for marital that I've seen before include "related to union" , "Sort of union" , "Relating to wedded life" , "Maybe husband's" , "to do with life together" .)

I've seen this clue in The Daily Express.

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