to-and-fros

• to and fros

to-and-fros

1. plural of to-and-fro
   • 1875, E. Holland, Health in the nursery and how to feed and clothe a child with observations ..., page 41:

     When you swing a child move it in short to-and-fros at first, and do not indulge in any high or rapid swings until the child is well used to the movement, ...

   • 2009, Derek Bickerton, Adam's Tongue: How Humans Made Language, How Language Made Humans, page 32:

     It's fascinating to watch these cyclic to-and-fros in science, like the rise and fall of hemlines, but more stimulating, intellectually at least.