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After retiring, President died (4)

Ross

I believe the answer is:

abed

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'after retiring' is the definition.
I can't tell whether this definition defines the answer.

'president died' is the wordplay.
'president' becomes 'Abe' (Abraham (Abe) Lincoln).
'died' becomes 'd' (abbreviation next to the year of someone's death).
'abe'+'d'='ABED'

Can you help me to learn more?

(Other definitions for abed that I've seen before include "dream location?" , "given blanket coverage?" , "in his hammock awaiting Santa?" , "Not yet risen" , "not exactly stirring" .)

I've seen this clue in The Telegraph.
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