Type: Charm
Pronunciation: deh-LEE-tree-us
Description: Counter-charm to the Reverse Spell, vanishing the image of the last spell cast. It may also disintegrate other certain images.
Seen/Mentioned: This spell was only ever seen in 1994 when Amos Diggory used Prior Incantato to detect that Winky had cast Morsmordre using Harry Potter's wand.
Etymology: Latin delere, meaning "to destroy", and English "detritus", meaning rubble.