Section of foot (6)
I believe the answer is:
instep
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">section of foot</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for instep that I've seen before include "Arch area of the foot" , "Part of foot between toes and ankle" , "Foot arch - conforming" , "Arch we stand on" , "Top of foot" .)