Formal complaint of care given at sea (9)

I believe the answer is:

grievance

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'formal complaint' is the definition.
'grievance' can be an answer for 'complaint' (grievance is a kind of complaint). I am unsure of the 'formal' bit.

'care given at sea' is the wordplay.
'at sea' indicates an anagram.
'care'+'given'='caregiven'
'caregiven' is an anagram of 'GRIEVANCE'.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for grievance that I've seen before include "beef" , "Bad feeling" , "gripe" , "Complaint" , "Item causing resentment" .)

I've seen this clue in The Hindu.

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