De-ashi-harai
(advanced ankle throw)
"Uke steps foreward with his right 
leg.Just
as Uke is about to place his right foot on the mat, Tori brings
his left leg foreward and using the sole of his foot as a point
of contact against the outside of Uke's right foot ,Tori sweeps
Uke's right foot to the left ,Tori keeps his sweeping leg close
to the mat."
