City in Jordan originally known to its inhabitants as Raqmu (5)

I believe the answer is:

petra

(Other definitions for petra that I've seen before include "Historic city in Jordan" , "Ancient Jordanian city carved from rock" , "Burgon's rose-red city" , "Long-lost city of Jordan rediscovered in 1812" , "A rose-red city - 'half as old as Time'! (Burgon)" .)

I've seen this clue in The Independent.

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