Engraving (7)
I believe the answer is:
etching
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">engraving</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that engraving can be written as etching)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for etching that I've seen before include "craftwork" , "Eating away; corroding" , "Engraved picture" , "Engraving with acid" , "making an impression" .)