backheel

/B AE1 K HH IY0 L/
noun
  1. 1

    A kick played by the heel which typically travels in the opposite direction from which the player is facing.

  2. 2

    A method of tripping or throwing by getting the leg back of the opponent's heel on the outside and pulling forward while pushing his body back.

verb
  1. 1

    To perform such a kick.

  2. 2

    To perform such a trip or throw.

Source: https://en.wiktionary.org/wiki/backheel