Glisseo

Spell Name: Stair Slide Charm

Incantation: Glisseo

Pronunciation: /ˈɡlɪsiː.oʊ/ GLIS-ee-oh or /ɡlɪˈseɪ.oʊ/ gli-SAY-oh

Spell Branch: Charms

Magical Discipline(s): Enchantments

Appearance:

Description: Causes the steps on a stairway to flatten and form a ramp or slide.

Glisseo is the incantation of a charm that can be used to transform a staircase into a smooth slide. It was very old, having been in use since in the Middle Ages.

The Glisseo charm was used by the Hogwarts founders circa 993, when they enchanted the stairs of the girls' dormitories to turn into slides should any boy attempt to enter, but not vice versa, as they believed girls to be more trustworthy than boys

Regulations: Legal

Skill Level: Intermediate

Etymology: This spell's incantation originates from the French verb "glisser", meaning "to slide".

References:

• Used by Hermione to escape from pursuing Death Eaters in Deathly Hallows.
• Used on the girls' dormitory to ensure that boys cannot enter.
• Casey O'Doherty references it in a fourth year Transfiguration exam[1]

Notes:

• HP Wiki[2]