Enthusiasm shown in making a new road to an ancient city (6)

I believe the answer is:

ardour

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'enthusiasm' is the definition.
(ardour is a kind of enthusiasm)

'new road to an ancient city' is the wordplay.
'new' indicates an anagram.
'to an ancient city' becomes 'ur' (ancient Sumerian city state).
'road' with letters rearranged gives 'ardo'.
'ardo'+'ur'='ARDOUR'

'shown in making a' acts as a link.
This may not be right. Some or all of it may belong to another bit of the clue.

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(Other definitions for ardour that I've seen before include "Passionate warmth" , "Love, passion" , "Fervour or passion" , "Warm, passionate feeling" , "Burning desire" .)

I've seen this clue in The Globe and Mail.

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