Start roaming around in New Zealand (5)

I believe the answer is:

maori

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'start' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe you can see an association between them that I don't see?

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for maori that I've seen before include "NZ Polynesian language" , "Aborigine of New Zealand" , "A native from the south" , "Native language of NZ" , "I roam with New Zealander" .)

I've seen this clue in the Evening Standard.

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