Crossword Genius

Get a gun before going back for the gold (6)

Ross

I believe the answer is:

nugget

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

'gold' is the definition.
(thesaurus)

'get a gun before going back for the' is the wordplay.
I cannot quite see how this works, but
an anagram of 'gun' is 'nug' which is within the answer.
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is located in the answer.
The remaining letters 'ge' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for nugget that I've seen before include "Lump of metal, say gold" , "Small lump (of something valuable)" , "bit of gold" , "Piece of precious metal (or chicken?)" , "Lump of, eg, gold" .)

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