Lawyer, first has nap, then writes last few words, with a strong drink (8)

I believe the answer is:

schnapps

I'm a little stuck... Click here to teach me more about this clue!

'strong drink' is the definition.
(I know that schnapps is a type of strong drink)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for schnapps that I've seen before include "Booze" , "Strong drinks, Dutch gin made from potatoes say" , "Strong (Dutch?) liquor" , "German alcoholic spirit" , "Strong gin-like drink" .)

I've seen this clue in The Irish Times.

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