Textile fibre (6)
I believe the answer is:
cotton
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">textile fibre</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 cotton that I've seen before include "Golfing man" , "Plantation product" , "Fabric (of natural fibre)" , "Natural textile fibre" , "Source of cloth" .)