Crossword Genius

Gums cut? I pay dental practice, ultimately for treatment (9)

Ross

I believe the answer is:

eucalypti

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

'gums' is the definition.
(eucalyptus is a kind of gum)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for eucalypti that I've seen before include "Gums" , "Gum trees" , "Oil producers" , "shrubs" , "Antipodean natives" .)

I've seen this clue in The Guardian.
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