Fresh enthusiasm and a source of dairy produce (3,7)
I believe the answer is:
new zealand
'produce' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.
'fresh enthusiasm and a source of dairy' is the wordplay.
'fresh' becomes 'new' (synonyms).
'enthusiasm' becomes 'zeal' (zeal is a kind of enthusiasm).
'and' means one lot of letters go next to another.
'a' becomes 'an'.
'source of' says to take the initial letters (the start - or source - of the word).
The first letter of 'dairy' is 'd'.
'new'+'zeal'+'an'+'d'='NEW ZEALAND'
Can you help me to learn more?
(Other definitions for new zealand that I've seen before include "where 28/25 [PINOT NOIR] is produced" , "Commonwealth country" , "Land of the kiwi" , "Antipodean country" , "Zelanian things originate here" .)