Pronunciation: Dee-fin-doh

Use: To sever a target

Etymology: In Latin, diffindo means 'I split' or 'I cleave.'

Magic Moment: In Goblet of Fire, Ron uses this spell to remove the lace sleeves from his dress robes before attending the Yule Ball.

Notes: According to Miranda Goshawk's Book of Spells, Diffindo was invented in the 15th century by a seamstress named Delfina Crimp.