Crossword Genius

Separate new unit constructed (7)

Ross

I believe the answer is:

untwine

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

'new unit constructed' is the wordplay.
'constructed' indicates anagramming the letters.
'new'+'unit'='newunit'
'newunit' anagrammed gives 'UNTWINE'.

(Other definitions for untwine that I've seen before include "free?" , "Disentangle" , "Separate" , "Release" , "Unwind; untwist" .)

I've seen this clue in The Telegraph.
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