Tomb's terrible curse: help! (9)

I believe the answer is:

sepulchre

'tomb's' is the definition.
(sepulchre is a kind of tomb)

'terrible curse help' is the wordplay.
'terrible' is an anagram indicator.
'curse'+'help'='cursehelp'
'cursehelp' anagrammed gives 'SEPULCHRE'.

(Other definitions for sepulchre that I've seen before include "Help curse (anag) - tomb" , "Burial chamber" , "Burial place" , "Helps cure (anag)" , "vault" .)

I've seen this clue in The Guardian.

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