Crossword Genius

Green coating spoiling diver's rig (9)


I believe the answer is:


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'green coating' is the definition.
'verdigris' can be an answer for 'coating' (verdigris is a kind of coating). I'm unsure of the 'green' bit.

'spoiling diver's rig' is the wordplay.
'spoiling' is an anagram indicator.
'diversrig' with letters rearranged gives 'VERDIGRIS'.

Can you help me to learn more?

(Other definitions for verdigris that I've seen before include "Green patina" , "Greenish blue coating on copper" , "oxidation" , "Greenish-blue coat on copper" , "Patina on copper" .)

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