from The Century Dictionary and Cyclopedia
Sorry, no etymologies found.
She had been good at hopscotch, playing kicksies in the Baltimore style, using an old rubber heel as her token.
Now kool my downy kicksies -- the style for me, 
Go back to yer old Talbots and be the nice lady's little boy with velvet kicksies and a clean anky once a week.
Charley's next birthday I shall present him, I think, with a proper pearly suit, with kicksies cut saucy over the trotters, and an artful fakement down the side, if the Society will allow me.