Crossword Genius

Lead-free inspection on power supply (6)

Ross

I believe the answer is:

purvey

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'supply' is the definition.
(I know that purvey is a more specific form of supply)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for purvey that I've seen before include "Supply with provisions" , "Sell" , "Furnish" , "Provide with goods" , "Provide, supply (food)" .)

I've seen this clue in The Times and The Sunday Times.
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