Crossword Genius

Sanction production of a paper without vowels and egg-shaped (8)

Ross

I believe the answer is:

approval

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'sanction' is the definition.
(I know that sanction can be written as approval)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for approval that I've seen before include "Favourable opinion or official permission" , "On it, goods may be returned if not satisfactory" , "Ratification" , "Esteem - permission" , "Confirmation" .)

I've seen this clue in The Irish News.
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