Crossword Genius

A Parisian's word upsetting to Monsieur (3)

Ross

I believe the answer is:

mot

'a parisian's word' is the definition.
('word' in French)

'upsetting to monsieur' is the wordplay.
'upsetting' is a reversal indicator.
'monsieur' becomes 'm'.
'to'+'m'='tom'
'tom' back-to-front is 'MOT'.

(Other definitions for mot that I've seen before include "witty remark" , "French word for Tom" , "type of test" , "Word in France, bon perhaps" , "Witty saying" .)

I've seen this clue in The Independent.
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