Crossword Genius

Trip to an ancient city (4)

Ross

I believe the answer is:

tour

'trip' is the definition.
(a journey or expedition)

'to an ancient city' is the wordplay.
'an ancient city' becomes 'ur' (ancient Sumerian city state).
'to'+'ur'='TOUR'

(Other definitions for tour that I've seen before include "Journey to visit places of interest" , "Extensive journey" , "Short trip; spell of duty" , "Journey around" , "Journey visiting several different places" .)

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