Grain brewed in mist as woodland activity (8)
I believe the answer is:
foraging
'as woodland activity' is the definition.
I can't tell whether this definition defines the answer.
'grain brewed in mist' is the wordplay.
'brewed' is an anagram indicator.
'in' indicates putting letters inside.
'mist' becomes 'fog' (synonyms).
'grain' anagrammed gives 'ragin'.
'ragin' inserted inside 'fog' is 'FORAGING'.
Can you help me to learn more?
(Another definition for foraging that I've seen is " Searching around for food".)