ogdoad

/ˈɑɡdoʊˌæd/
noun
  1. A group of eight people or things.
    • In some mythologies, an ogdoad represents the eight primordial forces of creation.
    • The committee formed an ogdoad to oversee the festival planning.
    • The ancient Egyptian Ogdoad was a group of eight gods worshipped at Hermopolis.
Synonyms