One remedy having answer for universal solitude (9)

I believe the answer is:

isolation

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'solitude' is the definition.
(I know that solitude can be written as isolation)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for isolation that I've seen before include "State of being alone" , "Seeking seclusion" , "Detachment" , "Remote and lonely state" , "Cutting off" .)

I've seen this clue in The Independent.

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