Hamper; restrain (7)
I believe the answer is:
trammel
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">hamper</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(both can mean to restrict)</span><br/ ><br/ >'<span class="explanation-format__original">restrain</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that restrain is a more specific form of the action the trammel)</span><br/ ><br/ ></span>
(Other definitions for trammel that I've seen before include "Constrain, impede" , "Limit, hamper" , "Hobble" , "bar" , "Three-layered fishing net - melt ram (anag)" .)