Abstained from food (6)
I believe the answer is:
fasted
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abstained from food</span>' is the definition.<br/ ><span class="explanation-format__explanation">('fast' can be a synonym of 'abstain from food')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for fasted that I've seen before include "Abstained from food for a period" , "Didn't eat" , "Ate no food" , "Went without food for a period" , "Abstained from food as in penance" .)