Dropped off note and final letter (5)

I believe the answer is:

dozed

'dropped off' is the definition.

'note and final letter' is the wordplay.
'note' becomes 'do' (**).
'and' means one lot of letters go next to another.
'final letter' becomes 'zed'.
'do'+'zed'='DOZED'

(Another definition for dozed that I've seen is " Slept lightly".)

I've seen this clue in The Times.

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