tenyssä
Tenyssä is a Finnish term that broadly refers to the underside of something. It is most commonly used to describe the underside of a foot, particularly in the context of horses. In equine anatomy, the tenyssä is the sensitive sole of the hoof that lies between the wall of the hoof and the frog. It is a crucial area for the horse's comfort and soundness.
The term can also be applied to the underside of other objects, such as the underside of