Gerund functioning as a noun; refers to the act of desecration.
The profaning of the shrine outraged the villagers.
La profanation du sanctuaire a scandalisé les villageois.
profaninggerund / present participle Present-participle adjective modifying a noun.
They were stopped by the guards before their profaning hands could damage the relic.
Ils ont été arrêtés par les gardes avant que leurs mains profanatrices ne puissent endommager la relique.