The French wet washing? (7)

I believe the answer is:

laundry

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'washing?' is the definition.
(I know that laundry is a type of washing)

'the french wet' is the wordplay.
'the french' becomes 'la' (one of the French words for 'the').
'wet' becomes 'undry' (I can't explain this - if you can you should give a lot more credence to this answer).
'la'+'undry'='LAUNDRY'

Can you help me to learn more?

(Other definitions for laundry that I've seen before include "Place for washing clothes" , "Dirty washing" , "Washing room" , "Washeteria" , "Garments for washing etc." .)

I've seen this clue in The Irish Independent.

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