Well... Ms. Rowling insists that she made the name up...
HOWEVER! In French Vol de mort means Flight of Death. And He-Who-Must-Not-Be-Named does flee from death (metaphorically speaking of course, he does this with his Horcruxes)
Another interesting tidbit: The Dark Lord's name is supposed to be pronounced 'Voldemor' you know, with a silent 't' however it never is. Even in the movies it's said with a hard 't'!
Voldemorts real name is Tom Marvolo Riddle, after his father and grandfather.
Tom Marvello Riddle is Lord Voldemorts birth name, his real name is Lord Voldemort because he changed it.
Lord Voldemorts school of Witchcraft and Wizardry.
Mudblood.... most of Voldemorts people use it! :)
his Death Eaters
It is a name that Tom Riddle made for himself to renounce his muggle heritage. He used the letters of his full name; Tom Marvolo Riddle to spell out "I AM LORD VOLDEMORT"
Horcurxes are a part of Voldemorts soul
Quirinus Quirrell
Tom Riddle Sr. he was a muggle.
one of voldemorts snatchers..
champagne showers
Tom Riddle Senior ( muggle)