thenar

Etymology
From.

Noun

 * 1)  The palm of the hand or sole of the foot.
 * 2) The ball of the thumb, or the muscle controlling it.
 * 1) The ball of the thumb, or the muscle controlling it.

Adjective

 * 1)  Relating to the palm of the hand or the sole of the foot.

Translations

 * Bulgarian:
 * Spanish: tenar