Everything in French, one current poem (8)

I believe the answer is:

universe

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'everything' is the definition.
(I've seen this before)

'french one current poem' is the wordplay.
'french one' becomes 'un' (I've seen this in other clues. I am not sure about the 'french' bit.).
'current' becomes 'i' (symbol for electric current).
'poem' becomes 'verse' (verse is a kind of poem).
'un'+'i'+'verse'='UNIVERSE'

'in' is the link.

Can you help me to learn more?

(Other definitions for universe that I've seen before include "Everything that exists, everywhere" , "The earth and all the heavenly bodies" , "mind-boggling concept" , "The whole of everything" , "The totality of matter, energy and space" .)

I've seen this clue in The Times.

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