Crossword Genius

Just over four weeks with gold furnishings (5)

Ross

I believe the answer is:

decor

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'furnishings' is the definition.
(decoration of a room)

'just over four weeks with gold' is the wordplay.
'just over four weeks' becomes 'dec' (I can't justify this - if you can you should believe this answer much more).
'with' is a charade indicator (letters next to each other).
'gold' becomes 'or' ('or' is the heraldic name for gold).
'dec'+'or'='DECOR'

Can you help me to learn more?

(Other definitions for decor that I've seen before include "Style of furnishings, drapes etc used in a room" , "Internal ornamentation" , "stage background" , "Colour scheme, furnishing etc. of a room" , "ornament" .)

I've seen this clue in The Telegraph.
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