Words oft repeated conveying "Forbear!" (7)

I believe the answer is:

refrain

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'forbear' is the definition.
(I know that forbear is a more specific form of forbear)

I can't explain the remainder of the clue.

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(Other definitions for refrain that I've seen before include "Don't do that - it's a song" , "Stop activity" , "Recurring music to forbear from" , "Main part of song - do not do it" , "Repeating line in a song, poem" .)

I've seen this clue in The Independent.

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