During course of day one gets quiet, blanked out? (5)

I believe the answer is:

wiped

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'quiet blanked out?' is the definition.
I can't tell whether this defines the answer.

'during course of day one' is the wordplay.
'during' means one lot of letters goes inside another.
'course' becomes 'w'.
'of day' becomes 'ped' (I can't explain this - if you can you should believe this answer much more).
'one' becomes 'i' (Roman numeral).
'w'+'ped'='wped'
'wped' enclosing 'i' is 'WIPED'.

'gets' is the link.

Can you help me to learn more?

(Other definitions for wiped that I've seen before include "To get cleaned" , "Rubbed clean" , "Dried" , "Was clearing" .)

I've seen this clue in The Times.

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