Long, long times (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">long long times</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 eons that I've seen before include "Divisions of geological time" , "Divisions of archaeological time" , "Years and years" , "Very long periods (US)" , "Long periods of time - noes have it" .)
(Other definitions for aeons that I've seen before include "Vast ages" , "Long periods of time" .)