English dialect confusing man — Brit or Hun (12)

I believe the answer is:

northumbrian

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'english dialect' is the definition.
The definition suggests a singular noun which matches the answer.

'confusing man brit or hun' is the wordplay.
'confusing' indicates anagramming the letters.
'man'+'brit'+'or'+'hun'='manbritorhun'
'manbritorhun' anagrammed gives 'NORTHUMBRIAN'.

Can you help me to learn more?

(Other definitions for northumbrian that I've seen before include "Greek goddesses governing lives" , "resident in Morpeth?" .)

I've seen this clue in The Times.

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