Nurture interns? Teacher is horrified! (7)

I believe the answer is:

cherish

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

'nurture' is the definition.
(thesaurus)

'interns? teacher is horrified' is the wordplay.
'CHERISH' is hidden within the letters.
But, I'm unsure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for cherish that I've seen before include "Nurture (a hope)" , "Love" , "Protect and treat with affection" , "Protect and care for lovingly" , "Hold dear, treasure" .)

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

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