Lucy's pal on "I Love Lucy" (5)
I believe the answer is:
ethel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lucy's pal on i love lucy</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 ethel that I've seen before include "Dame --- Smyth; William Brown's sister" , "Lady" , "Lethe (anag) -- Barrymore or Merman" , "- Barrymore, actress" , "girl" .)