Gr. hypo = under and Gr. mochlio = lever

Support point or pivot point of a lever, pivot point of a joint. E.g. hypomochlia are the patella or the orbital hypomochlion for the M. obliquus superior.

Eye Muscles : Attachment, Nerve Supply & Action - Anatomy Info
Eye muscles, with the ligamentous sling functioning as a hypomochlion for the superior oblique muscle