Like workhorses (4)
I believe the answer is:
shod
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like workhorses</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for shod that I've seen before include "(Of a horse) with shoes on" , "Wearing shoes" , "Fitted with footwear" , "Fitted with horseshoes" , "Not with bare feet" .)