Tiffany's great admirer (3)

I believe the answer is:

fan

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

'admirer' is the definition.
(fan is a kind of admirer)

'tiffany's great' is the wordplay.
'FAN' is hidden within the letters.
However, I'm unsure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for fan that I've seen before include "Spanish women wave it to cool themselves" , "Manually wielded cooling device" , "Enthusiastic admirer as of pop star" , "Keen follower; cooler" , "Zealot" .)

I've seen this clue in the Evening Standard.

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