Originally Posted By: zmjezhd
I derive quiddich from Kwisatz Haderach.

That would be plausible if Quidditch was the title of the heir of Slytherin or something, but I see no connection between a Messiah-like figure and a brutal game. Phonemically it doesn't fit either - the 'ch' in Kwisatz Haderach is like the 'ch' in loch or chemist, not the 'ch' in china.