hooking backward counter throw
A sumo technique where the attacker hooks the opponent's leg from the inside and throws them backward.
Kawazugake is a technique where you hook the opponent's leg from the inside and throw them backward.
one-leg entanglement
In judo, a technique classified as a leg entanglement (足緘) where one leg is used to trap the opponent's leg.
In judo, kawazugake is a type of leg entanglement where you trap one of the opponent's legs with your own leg.