Chafed (6)
I believe the answer is:
rubbed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chafed</span>' is the definition.<br/ ><span class="explanation-format__explanation">('rub' can be a synonym of 'chafe')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rubbed that I've seen before include "Massaged" , "Applied friction" , "Chafed" .)