Decide to divide term in eight segments (9)

I believe the answer is:

determine

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

'decide' is the definition.
(I know that decide can be written as determine)

'divide term in eight segments' is the wordplay.
'DETERMINE' is hidden in amongst the letters.
However, I'm unsure how this is indicated.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for determine that I've seen before include "Learn" , "Ascertain by research or calculation" , "I'm entered, so find our precisely" , "Firmly decide" , "Dictate" .)

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

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