In due course, a clue for galleon? (3,2,4,4)

I believe the answer is:

all in good time

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'in due course' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for all in good time that I've seen before include "Please be patient!" , "nobody is late" , "In due course" , "eventually?" , "No sooner than is appropriate" .)

I've seen this clue in The Independent.

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