Spells - D

Defodio (Gouging Spell)

Pronunciation: deh-FOH-dee-oh (IPA: dɛ.ˈfəʊ.di.əʊ/)

Seen/Mentioned: Cast by Harry, Ron and Hermione in Deathly Hallows to help dig their way out of the Gringotts Tunnels.[DH Ch.26]
Suggested Etymology: Latin defodio, meaning, "to dig, dig out."

Deletrius

Pronunciation: deh-LEE-tree-us (IPA: /də.'li.tɹi.əs/)

Seen/Mentioned: Seen only in Goblet of Fire when Amos Diggory gets rid of the echo of the Dark Mark from Harry's wand.[GF Ch.9]
Suggested Etymology: English word delete meaning to remove.

Densaugeo

Pronunciation: den-SAW-jee-oh /dɛn.'sɔ.dʒi.əʊ/)

Description: Causes the teeth of the recipient to grow at an alarming rate.
Seen/Mentioned: Seen only in Goblet of Fire, cast by Draco on Harry, which is then deflected onto Hermione.[GF Ch.18]
Suggested Etymology: Latin dens meaning, "tooth" and augeo meaning to "enlarge".

Deprimo

Pronunciation: DEH-prih-moh.

Seen/Mentioned: Introduced in Deathly Hallows when Hermione casts this to blast a hole in the Lovegood's living room floor.[DH Ch.21]
Suggested Etymology: Latin deprimo which means to "dig deep".

Descendo

Pronunciation: deh-SEN-doh (IPA: /dɛ.ˈsɛn.dəʊ/)

Seen/Mentioned: Seen twice in Deathly Hallows, it is cast by Ron to magically cause the stairs in his room to descend,[DH Ch.6] and later by Crabbe in the Room of Requirement to lower the wall behind which Ron is hiding.[DH Ch.31]
Suggested Etymology: Latin descendo meaning, "to come down, to descend".

Diffindo (Severing Charm)

Pronunciation: dif-FIN-doh (IPA: /dɪ.'fɪn.dəʊ/)

Seen/Mentioned: In Goblet of Fire when Harry urgently wants to talk to Cedric he casts this spell to rip his bag, delaying him for class,[GF Ch.9] and in Half-Blood Prince to switch covers of his potion books. Also shown several times in Deathly Hallows, for cutting ropes,[DH Ch.9] chains,[DH Ch.13] etc.
Suggested Etymology: Latin diffindo, "I divide."

Dissendium

Pronunciation: dis-EN-dee-um (IPA: /dɪ.'sɛn.di.əm/)

Description: Causes the statue of the humpbacked witch hiding the secret passage to Honeydukes, as well as other hidden passageways, to open up.[PA Ch.10]
Seen/Mentioned: Seen only in Prisoner of Azkaban.
Suggested Etymology: Latin discedo meaning "I swerve".

Duro

Pronunciation: DOO-roh (IPA: })

Description: Turns its target to stone.
Seen/Mentioned: Seen in Deathly Hallows, cast by Hermione while escaping from Death Eaters in Hogwarts.[DH Ch.32]
Suggested Etymology Latin duro meaning "I make hard".