Asteroid 221, Eos, was discovered on January 18, 1882 by Johann Palisa at Vienna. It has a period of 5 years, 82 days and is 103.87 kilometers in diameter (about 64 1/2 miles).
It was named for Eos, the Greek goddess of the dawn.
Eos ,an 1895 painting by British painter Evelyn de Morgan (1855-1919)
The meaning of asteroid Eos seems to be: early morning, to divert attention, young things, "in the beginning."