Mountain home to the oracle of Delphi (U, not O) (9)

I believe the answer is:

parnassus

(Other definitions for parnassus that I've seen before include "source of inspiration" , "Mount sacred to the Muses" , "Greek mountain sacred to Apollo" , "the height of poetry" , "Greek mountain sacred to ancient Muses" .)

I've seen this clue in The Times.

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