The French race native to Latvia! (4)

I believe the answer is:

lett

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'native to latvia' is the definition.
I can't judge whether this definition defines the answer.

'the french race' is the wordplay.
'the french' becomes 'le' ('the' in French).
'race' becomes 'tt'.
'le'+'tt'='LETT'

Can you help me to learn more?

(Other definitions for lett that I've seen before include "Baltic citizen" , "northerner" , "East European" , "Balt" , "Native of Latvia" .)

I've seen this clue in the Evening Standard.

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