polymythy
noun
po·lym·y·thy
pəˈliməthē;
ˈpälēˌmithē,
-lə̇ˌm-
plural -es
: the inclusion of many or several stories or plots in one narrative or dramatic work
Word History
Etymology
New Latin polymythia, from Greek polymythos with many legends (from poly- + mythos myth) + New Latin -ia -y