Etch two points on tomb (7)
I believe the answer is:
engrave
'etch' is the definition.
(I know that etch can be written as engrave)
'two points on tomb' is the wordplay.
'two points' becomes 'en'.
'on' means one lot of letters go next to another.
'tomb' becomes 'grave' (synonyms).
'en'+'grave'='ENGRAVE'
(Other definitions for engrave that I've seen before include "Incise" , "Cut (name into cup)" , "Carve into metal" , "Rang Eve (anag.)" , "Cut or carve (a design)" .)