1.  In various places, as She's lived here and there, never for more than a year in one city. [c. 1300]
2.  In various directions, hither and thither, as in She turned her eyes here and there, looking for him in the audience. [Late 1200s] Also see here, there, and everywhere.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company. All rights reserved.