Slowing Charm

Aresto Momentum is a spell that slows down or stops the movement of an object. Albus Dumbledore used this charm wandlessly to slow Harry Potter's fall during a Quidditch match in 1993, when he was overcome by Dementors.

Aresto Momentum is taught at Hogwarts School of Witchcraft and Wizardry, as part of the second-years' Charms curriculum.

Known practitioners

 * Albus Dumbledore
 * Filius Flitwick
 * Hermione Granger

Etymology

 * Likely the combination of two words; the Anglo-French "arester", meaning "to bring to a stop", and the Latin "Momentum", meaning "the force or strength gained whilst moving". Literal translation: "bring its momentum to a stop".

Appearances

 * Harry Potter and the Prisoner of Azkaban
 * Harry Potter and the Prisoner of Azkaban (film)
 * Lego Harry Potter: Years 1-4

Notes and references
Aresto Momentum