Start of a cheer (4)
I believe the answer is:
viva
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">start of a cheer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for viva that I've seen before include "Kind of exam" , "Hail to the Spaniards" , "Oral examination" , "Do well in Italian" , "Long live! - oral exam" .)