instep

[ in-step ]
/ ˈɪnˌstɛp /

noun

the arched upper surface of the human foot between the toes and the ankle.
the part of a shoe, stocking, etc., covering this surface.
the front of the hind leg of a horse, cow, etc., between the hock and the pastern joint; cannon.

Origin of instep

1520–30; apparently in-1 + step

British Dictionary definitions for in-steps

instep
/ (ˈɪnˌstɛp) /

noun

the middle section of the human foot, forming the arch between the ankle and toes
the part of a shoe, stocking, etc, covering this

Word Origin for instep

C16: probably from in- ² + step

Medical definitions for in-steps

instep
[ ĭnstĕp′ ]

n.

The arched middle part of the foot between toes and ankle.