The fall of Kamala Harris? (6)

I believe the answer is:

autumn

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'the fall' is the definition.
(synonyms)

I cannot understand how the remainder of the clue works.

(Other definitions for autumn that I've seen before include "One of the seasons" , "Fall for Mrs Obama" , "Fall in North America" , "Season, has its music too (Keats)" , "Season of mists and mellow fruitfulness, according to Keats" .)

I've seen this clue in The Times.

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