Going on inlet around northern sea (9)

I believe the answer is:

yabbering

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'going' is the definition.
Both the answer and definition are present participle verbs.
Maybe they are linked in a way I don't understand?

'on inlet around northern sea' is the wordplay.
'on' says to put letters next to each other.
'inlet' becomes 'bay' (I've seen this before).
'around' is a reversal indicator.
'northern sea' becomes 'bering' (I can't explain this - if you can you should believe this answer much more).
'bay' in reverse letter order is 'yab'.
'yab'+'bering' is 'YABBERING'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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