Crossword Genius

Brought in, not satisfied, to engrave (4)

Ross

I believe the answer is:

etch

I'm a little stuck... Click here to teach me more about this clue!

'to engrave' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for etch that I've seen before include "Make picture by engraving metal" , "Design by eating out" , "Cut lines with acid" , "Make a deep impression" , "Chase" .)

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