Crossword Genius

French aristocrat has the last say in an English LGA (6)

Ross

I believe the answer is:

county

I'm a little stuck... Click here to teach me more about this clue!

'french' is the definition.
Both the answer and definition are adjectives. Maybe there's an association between them I don't understand?

'aristocrat has the last say in an english lga' is the wordplay.
I cannot quite see how this works, but
'aristocrat' could be 'count' (some European aristocracies have counts) and 'count' is found in the answer.
A single letter 'y' remains which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for county that I've seen before include "Territorial division" , "Down for one" , "Administrative district within a state" , "Unit into which country is divided for local government" , "Local government district" .)

I've seen this clue in the Sydney Morning Herald.
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