Country name is big at skipping finals (7)

I believe the answer is:

namibia

I'm a little stuck... Click here to teach me more about this clue!

'country' is the definition.
(I know that Namibia is a African country)

'name is big at skipping finals' is the wordplay.
I cannot quite understand how this works, but
'name' could be 'ami' and 'ami' is found in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for namibia that I've seen before include "part of Africa" , "SW African state" , "Country in southern Africa" , "African country - I am a bin (anag)" , "South African country" .)

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

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