Crossword Genius

Aid one lost in grief (10)

Ross

I believe the answer is:

desolation

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

'grief' is the definition.
(thesaurus)

'aid one lost' is the wordplay.
'aid one lost' anagrams to 'DESOLATION'.
Though, I'm unsure how the anagram is indicated.

'in' acts as a link.

Can you help me to learn more?

(Another definition for desolation that I've seen is " Misery, wretchedness".)

I've seen this clue in The Globe and Mail.
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