Crossword Genius

Some rubes bag produce (5)

Ross

I believe the answer is:

beget

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This might be a double definition.

'some rubes bag' is the first definition.
Although both the answer and definition are verbs in their base form, I don't understand how they can define each other.

'produce' is the second definition.
(I've seen this in another clue)

Can you help me to learn more?

(Other definitions for beget that I've seen before include "Father" , "Engender" , "Give rise to; create (children)" , "Bring about, cause" , "Sire" .)

I've seen this clue in The Daily Express.
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