Engraver/artist lacking beginnings of skill (6)

I believe the answer is:

etcher

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'skill' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for etcher that I've seen before include "Artist such as Rembrandt" , "Engraver" , "Creative artist" , "Artist who likes to make an impression?" , "Cutter" .)

I've seen this clue in The Telegraph.

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