Fumble for words
I believe the answer is:
haw
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fumble for words</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 haw that I've seen before include "Hedge fruit" , "Small red berry of a thorny tree" , "Fruit of the hawthorn" , "Fruit of a thorny bush" , "Berry of a thorny shrub" .)