Crossword Genius

Proliferate in one great leap? (6)

Ross

I believe the answer is:

abound

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'proliferate' is the definition.
(thesaurus)

'one great leap?' is the wordplay.
'one great' becomes 'a' (I can't justify this - if you can you should give a lot more credence to this answer).
'leap?' becomes 'bound' ('bound' can be a synonym of 'leap').
'a'+'bound'='ABOUND'

'in' acts as a link.

Can you help me to learn more?

(Other definitions for abound that I've seen before include "Be plentiful, swarm" , "Be plentiful, say fish in river" , "Be widely available" , "Be plentiful, be present on great quantities" , "Exist in large quantities" .)

I've seen this clue in the Evening Standard.
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