Academic reported on EastEnders for cover of Spectator (7)

I believe the answer is:

eyebrow

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

'cover of spectator' is the definition.
'eyebrow' can be an answer for 'cover' (eyebrow is a kind of cover). I'm not sure about the 'of spectator' bit.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for eyebrow that I've seen before include "Facial feature" , "this might be raised in surprise" , "hairpiece" , "It may be raised" , "surprisingly elevated" .)

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