Crossword Genius

Commit to getting into persistent rust (7)

Ross

I believe the answer is:

entrust

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

'commit' is the definition.
(I know that commit can be written as entrust)

'getting into persistent rust' is the wordplay.
'ENTRUST' is hidden within the letters.
But, I am unsure how this is indicated.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for entrust that I've seen before include "Invest, commit" , "Nutters (anag)" , "Give as responsibility, place in care of" , "Put into someone's care" , "Give for safekeeping" .)

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