Before I lay in something to drink (8)

I believe the answer is:

anisette

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'drink' is the definition.
(anisette is a kind of drink)

I can't explain the remainder of the clue.

(Other definitions for anisette that I've seen before include "Liqueur; tetanise (anag.)" , "alcoholic drink" , "Liquorice flavoured liqueur" , "Liquorice-flavoured liqueur" , "Type of highly-flavoured liqueur" .)

I've seen this clue in the Evening Standard.

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