Norse poem collection (4)
I believe the answer is:
edda
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">norse poem collection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for edda that I've seen before include "couple of books in Norse" , "Icelandic poems" , "of Old Norse poems" , "Norse poem collection" , "Foreign literature" .)