Crossword Genius

Hinder animals going around the outback (5)

Ross

I believe the answer is:

deter

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'hinder' is the definition.
(I've seen this before)

'animals going around the outback' is the wordplay.
'animals' becomes 'deer' (type of animals).
'going around' means one lot of letters goes inside another.
'the outback' becomes 't' (I can't explain this - if you can you should give a lot more credence to this answer).
'deer' enclosing 't' is 'DETER'.

Can you help me to learn more?

(Other definitions for deter that I've seen before include "Hinder, prevent" , "Frighten off; prevent" , "Check" , "Discourage through fear of consequences" , "Discourage, put off" .)

I've seen this clue in the Evening Standard.
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