Incise (4)
'incise' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for etch that I've seen before include "Cut (design) on surface" , "Eat away with acid" , "Corrode" , "Carve into surface, impress deeply" , "Make a deep impression" .)
'incise' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for engrave that I've seen before include "Inscribe by cutting" , "Cut or carve (a text)" , "Cut (name into cup)" , "impress deeply" , "Carve into surface as of medal" .)