Definitions for "Equinovarus"
(horse) is used to describe the clubfoot plantarflexion because apparently a horse walks on it's toenails with their heels in a plantarflexion position.
Equino, meaning horse, and varus, meaning to turn inward, denotes a disorder in which contracture of the calf muscles pulls the foot downward to point the toes with the heel elevated and turned inward toward the body so that the person walks on the side of his or her foot with the toes pointed down and the heel elevated. This is also known as club foot.
similar to equinus, with additional inward turning of the forefoot