"up" of "runner-up"

  •  
  • 278
  • 2
  • 1
  • English 
Dec 23, 2015 18:28
What do you think about "up" of "runner-up"? Is this kind of the adverb?

I wonder that the "up" means like "appeared(after the winner)"...
Learn English, Spanish, and other languages for free with the HiNative app