Crossword Genius

Immortal Abyssinian’s remark, lying back in bed? (7)

Ross

I believe the answer is:

corrupt

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'immortal' is the definition.
Both the definition and answer are adjectives. Maybe you can see a link between them that I can't see?

'abyssinian's remark lying back in bed?' is the wordplay.
'abyssinian's remark' becomes 'purr' (I can't explain this - if you can you should believe this answer much more).
'lying back' says the letters should be written backwards.
'in' means one lot of letters goes inside another.
'bed?' becomes 'cot' (cot is a type of bed).
'purr' backwards is 'rrup'.
'rrup' going into 'cot' is 'CORRUPT'.

Can you help me to learn more?

(Other definitions for corrupt that I've seen before include "doctor" , "Lacking in integrity" , "spoilt" , "base" , "Crooked" .)

I've seen this clue in the Sydney Morning Herald.
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