Temporary home in which we see purpose (4)

I believe the answer is:

tent

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'temporary home' is the definition.
(I've seen this in other clues)

I can't explain the rest of the clue.

(Other definitions for tent that I've seen before include "abode meant to be temporary" , "Collapsible shelter" , "Cloth shelter" , "Camping accommodation" , "Canvas shelter; wine" .)

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

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