One of the tips of Yuletide long ago (4)

I believe the answer is:

yore

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'long ago' is the definition.
(days of yore)

I don't understand the rest of the clue.

(Other definitions for yore that I've seen before include "Time long ago" , "Times past" , "Long ago (literary)" , "Long ago (poetic)" , "Archaic word for long ago" .)

I've seen this clue in The Independent.

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