Buoyed by drug, man's record-breaking leap (7)

I believe the answer is:

echappe

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'leap' is the definition.
(I have seen 'double leap' mean 'echappe' so perhaps 'leap' could also mean 'echappe')

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for echappe that I've seen before include "dance leap" , "double leap" .)

I've seen this clue in The Independent.

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