Mostly In Latin:
Names:
Agrippa: Heinrich Cornelius Agrippa (1486-1535) wrote 3 philosophical books about magic.
Wizard on a Chocolate Frog card.
Albus: white, pale, fair, hoary, gray; bright, clear; favorable, auspicious, fortunate
Amos (Diggory): love, affection; the beloved; Cupid; affair
Dedalus (Diggle): skillful, dexterous; skillfully made; artificial, artificially contrived; dappled
This wizard magically made shooting stars in Kent to celebrate Voldemort's downfall.
Draco: dragon, snake
Dumbledore: Old English word for bumblebee
Flavius: golden-haired; blond
"The earliest account of a Lethifold was written by the wizard Flavius Belby, who was fortunate enough to survive a Lethifold attack while holidaying in Papua New Guinea." ~~~ Fantastic Beasts and Where to Find Them
Hedwig: Hed = give out, put forth, emit; publish; relate; beget
Janus Thickey: Janus = Roman god of gates and doorways, with two faces. Thickey: "Thick" in British means "stupid"
"The most recent instance of such duplicity occurred in 1973 when the wizard Janus Thickey vanished, leaving only a hastily written note on the bedside table reading 'oh no a Lethifold's got me I'm suffocating.' Convinced by the spotless and empty bed that such a creature had indeed killed Janus, his wife and children entered a period of strict mourning, which was rudely interrupted when Janus was discovered living five miles away with the landlady of the Green Dragon."
Lucius: Roman praenomen (first name).
Malfoy: The "Mal" sounds like "malevolent" or "malicious"
Minerva: Roman goddess of wisdom
Marvalo: Mar = I, me; myself. Valo: talk foolishly
Pettigrew: Pet = attack; aim at; desire
Potter:
SUFFIX = try to do -, keep doing -
NOUN = forcible or iterative action
VERB = to be able, can; to get possession of, acquire, become master of
POSSESSIVE = to have much or more or most influence or power
Ptolemy: Claudius Ptolemy (85 AD-165 AD) was an influential astronomer and geographer in Egypt. He came up with a lot of theories.
Wizard on a Chocolate Frog card.
Remus: oar
Rubeus: of or produced from a bramble
This would explain Rubeus Hagrid's wildly tangled hair and beard.
Severus: stern, strict, severe; grave, austere; weighty, serious; unadorned, plain
Snape: In English = to cut off, to strike
Sirius:
ADJ. = of the dog-star
NOUN = greater dog-star
Remember what animal Sirius changes into?
Viktor: In German = Victoria. In Norwegian = Big. In Serbian = Viktor. In Slovenian = Victoria. In Swedish = Weight.
Volkov: In German = People. In Slovenian = Wolf man. In Turkish = Volcano.
A Bulgarian Quidditch player at the Quidditch World Cup
Wormtail: In English = worm probably means "disgusting coward/traitor," or something like that. In English = tail probably means that he follows or "tails" whoever is the most powerful around. He used to be a friend of James Potter, but then he helped bring about James' death when he joined Voldemort.
Beasts:
Acromantula: Acro = very rare. The "antula" probably comes from tarantula.
Huge black-haired 8-eyed spider that can talk. Its legs can reach up to 15 feet.
"Rumors that a colony of Acromantula has been established in Scotland are unconfirmed." ~~~ Fantastic Beasts and Where to Find Them
Erumpent: Erumpet = break out, burst; erupt
"The Erumpent will not attack unless severely provoked, but should it charge, the results are usually catastrophic. The Erumpent's horn can pierce everything from skin to metal, and contains a deadly fluid which will cause whatever is injected with it to explode."
Kappa: Cappa = Medieval lesser; cape, cloak, cassock, cope
"Often said to look like a monkey with fish scales instead of fur, it has a hollow in the top of its head in which it carries water. The Kappa feeds on human blood..."
Other:
Obscurus Books - 18a Diagon Alley, London: Obscurus = dark, secret; vague, obscure
Wizarding publishing company.
Hogsmeade: meade = go along, pass, travel
The only all-magic village in Britain. People like hags and goblins hide there so Muggles can't see them.
(Little) Hangleton: Hangle = Englishman; Angles (colonizers of Britain)
City where the Riddle House is located.
Spells:
Accio: to send for, summon forth, fetch; to invite
Spell to summon objects. Harry uses it to summon his broom from the castle so he can beat the dragon.
Alohomora: Hermione uses this spell to unlock doors.
Aparecium: A = away/off. Pare = be visible. Cium = liquid unit equal to 3 qt.
Hermione tries this spell to see if Riddle's diary is in invisible ink. If it was, then the writing would be seen.
Avada Kedavra: A = away/off. Vada = stream/ford. Ked = withdraw/ retire/ leave. Avra = breeze, breath (of air), wind.
UNFORGIVABLE CURSE. Voldemort used this curse to kill Harry's parents and many others.
Crucio: torment, torture
UNFORGIVABLE CURSE. Voldemort and his Death Eaters use it to torture people including Harry.
Deletrius: Delet = wipe out, erase, delete.
After Amos Diggory uses Priori Incantatem, he makes the smoky ghost of the spell disappear.
Densaugeo: Dens = tooth. Augeo = increase, enlarge
Malfoy tries to curse Harry but he misses and gets Hermione. Her front teeth start growing abnormally.
Diffindo: split, divide
Harry used it to tear Cedric's bookbag.
Dissendium: Dis = god; rich. Dium = daylit, divine
This is the secret spell used to open a statue's hump. The hole leads to Honeydukes in Hogsmeade.
Ennervate: weaken, enervate; deprive of vigor
Used to revive Stunned people. Its English meaning is exactly the opposite of the spell's meaning.
Engorgio: En = behold! see! here! hey! look at this!
Crouch (disguised as Mad-Eye) uses this spell to make a spider bigger during his lesson.
Expecto Patronum: Expecto = anticipate, hope for. Patronum = protector
Advanced spell used to ward off dementors. The patronus takes the form suiting the castor. Harry's is a stag, Prongs.
Expelliarmus: Expelli = drive out, expel, banish. Armus = arm, shoulder
This spell disarms a wizard of their wand. Harry also disarmed Malfoy of the diary with this spell.
Ferula: stick, rod
Fidelius Charm: Fidelius = true, trustworthy, dependable, reliable
A secret cannot be revealed or found unless the one person it is cast on, the Secret-Keeper, tells it. Sirius Black was the Potters' Secret-Keeper, but he was afraid that Voldemort might suspect him and torture the information of Lily and James and Harry's whereabouts. So he made Peter Pettigrew the Secret-Keeper and Peter was in league with Voldemort and he told Voldemort and Voldemort killed Lily and James.
Oculus Reparo: Eye(glasses) Repair.
Hermione used this spell in the movie to repair Harry's broken glasses. They were broken because of Dudley's punches.
Priori Incantatem: Earlier Enchant(ment)
This spell was used to see earlier spells performed by the wand. Amos Diggory pointed his wand tip to another, said the latin, and the smoky ghost of a spell (Morsmordre), the ghost of the Dark Mark, formed.
Reparo: renew, repair
Hermione repairs some glass after Ron breaks it.
Other:
Auror: VERB = gild, overlay with gold
An Auror is a Dark wizard catcher.
Draco dormiens nunquam titillandus:
LITERAL MEANING: Dragon (or snake), sleep (or be at rest), never, provoke (or tickle)
SUGGESTED (GUESSED) MEANING: Never poke a sleeping dragon.
This is the Hogwarts motto.
Beauxbatons: BeautifulBatons
Beaux (in French) = beautiful. Bâtons (in French) = batons; or wands
The coat of arms for the school of Beauxbatons is two crossed golden wands each emitting 3 stars.
"Où est Madame Maxime? Nous l'avons perdue -": French for,
"Where is Madame Maxime? We lost her -"