What is obtainable from a continental estaminet (3)

I believe the answer is:

ale

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'what is obtainable' is the definition.
I can't judge whether this defines the answer.

'from a continental estaminet' is the wordplay.
'from' says the answer is hidden in the clue.
'ALE' is hidden within 'continental estaminet'.

Can you help me to learn more?

(Other definitions for ale that I've seen before include "Beerlike beverage" , "English beer in sales" , "Beer consumed in sales" , "Beer consumed in chalets" , "festival" .)

I've seen this clue in The Irish Independent.

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