Warehouse of French earthenware (5)

I believe the answer is:

depot

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'warehouse' is the definition.
(I know that warehouse can be written as depot)

'of french earthenware' is the wordplay.
'of french' becomes 'de' ('of' in French).
'earthenware' becomes 'pot' (I can't explain this - if you can you should give a lot more credence to this answer).
'de'+'pot'='DEPOT'

Can you help me to learn more?

(Other definitions for depot that I've seen before include "Storehouse or terminus" , "Bus garage" , "Toped (anag.)" , "(Military) store" , "Depository for goods" .)

I've seen this clue in The Globe and Mail.

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