Giving speech, don't start being inaudible (8)

I believe the answer is:

uttering

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'giving' is the definition.
The definition and answer can be both to do with communicating as well as being present participle verbs.
Perhaps there's an association between them I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for uttering that I've seen before include "Saying" , "Articulating" , "Publishing" , "Tiger-nut (anag.)" .)

I've seen this clue in The Globe and Mail.

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