Spells - G/H

Geminio

Pronunciation: jeh-MIH-nee-oh or geh-MIH-nee-oh (hard "g") (IPA: /dʒə.ˈmɪ.ni.əʊ/ or /ɡə.ˈmɪ.ni.əʊ/)

Description: Creates a duplicate of any object upon which it is cast. As revealed by the goblin Griphook, any copies created are worthless.
Seen/Mentioned: Used by Hermione in Deathly Hallows to copy Salazar Slytherin's locket in order to hide their tracks from Umbridge.
Suggested Etymology: Latin gemino meaning "to double".

Glisseo

Pronunciation: GLISS-see-oh or gliss-SAY-oh (IPA: /ˈɡlɪs.si.əʊ/ or /ɡlɪs.ˈse.əʊ/)

Description: Causes the steps on a stairway to flatten and form a ramp or slide.
Seen/Mentioned: Used by Hermione to escape from pursuing Death Eaters in Deathly Hallows. Used on the girls dormitory to ensure that boys cannot get in.
Suggested Etymology: French glisser meaning "slide".


Homenum Revelio

Pronunciation: HOM-eh-num reh-VEH-lee-oh (IPA: /ˈhɔ.mɛ.nʌm ɹə.ˈvɛ.li.əʊ/

Description: Reveals humans near the caster.
Seen/Mentioned: Used by Dumbledore to detect Harry under his Invisibility Cloak, but first named when used multiple times by various characters in Deathly Hallows.[26].
Suggested Etymology: Latin homo/hominis meaning "person" and Latin revelo meaning "to unveil".