O uchi gari

O uchi gari is one of the original 40 throws of Judo as developed by Kanō Jigorō. It belongs to the first group,
Dai Ikkyo, of the traditional throwing list, Gokyo, of Kodokan Judo. It is also included in the current 67 Throws of Kodokan Judo. It is classified as a foot technique, Ashi-Waza.

Technique description

In o uchi gari, the tori uses their leg to reap the leg of uke from the inside, while simultaneously using their hands to pull/push uke toward the ground.
In competition, the reaping action of the classical variation is sometimes replaced with a hooking or lifting motion, and the left hand can be used to lift or block uke's other leg while reaping the other.