The fear possibly associated with a white one? (7)

I believe the answer is:

feather

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

'associated with a white one?' is the definition.
I can't tell whether this defines the answer.

'the fear possibly' is the wordplay.
'possibly' indicates an anagram.
'the'+'fear'='thefear'
'thefear' anagrammed gives 'FEATHER'.

Can you help me to learn more?

(Other definitions for feather that I've seen before include "trifling thing" , "In your cap, this represents an achievement" , "thing of little importance" , "Part of a bird's plumage" , "Quill" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.