Why is "make up" called "make up"?

@hitesh23 (233)
Hong Kong
April 4, 2007 8:14am CST
I saw a girl the other day with a lot of make up on and I sort of started to wonder why is cosmetics worn on the face called "make up". Is it that people could not find another suitable word for it so they just made up the word "make up".
No responses