Mundify \MUHN-duh-fahy\ , verb;
1. To purge or purify
2. To cleanse
This word dates to the early 1400's from Middle French mondefier, which comes from Late Latin mundificare. Mundificare derives from Latin mundus ("clean"). Originally this word had a medical sense, which it inherited from the Middle French word. Later is was used reflexively to mean something like "to spruce oneself up."
Today's word and the first definition were both taken from Dictionary.com's 'Word of the Day' for Friday, August 12
Etymologies come from the Oxford English Dictionary and/or Etymonline.com