Isn't it contracted commonly to embrace universal language? (6)

I believe the answer is:

innuit

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'universal language?' is the definition.
The definition suggests a singular noun which matches the answer.

'isn't it contracted commonly to embrace' is the wordplay.
'isn't it' becomes 'innit'.
'contracted commonly' becomes 'u' (I am not sure about this - if you are sure you should believe this answer much more).
'to embrace' means one lot of letters goes inside another.
'innit' placed around 'u' is 'INNUIT'.

Can you help me to learn more?

I've seen this clue in The Independent.

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