genioglossus

Etymology
Borrowed from,.

Noun

 * 1)  A flat, fan-shaped muscle that originates from the superior  and inserts onto the undersurface of the tongue and onto the hyoid bone, acting mainly to extend, protrude or depress the tongue.

Translations

 * Chinese:
 * Mandarin: 頦舌肌
 * Japanese: 頤舌筋

Etymology
From.

Adjective

 * 1)  Of the chin and the tongue.