Ogdoad

//ˈɒɡ.dəʊ.æd// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A thing made up of eight parts.

    "Probably these, as in the other systems, made the second Ogdoad; and these, with other astral influence, borrowed from the Tsabaism of the region, the twelve signs of the zodiac, and the thirty-six Decani"

  2. 2
    the cardinal number that is the sum of seven and one wordnet
Proper Noun
  1. 1
    The group of eight primordial deities worshipped at Hermopolis in Ancient Egyptian times: Naunet and Nu, Amaunet and Amun, Kauket and Kuk, and Hauhet and Huh.

Example

More examples

"Probably these, as in the other systems, made the second Ogdoad; and these, with other astral influence, borrowed from the Tsabaism of the region, the twelve signs of the zodiac, and the thirty-six Decani"

Etymology

Etymology 1

From Ancient Greek ὀγδοάς (ogdoás, “eight, a group of eight”). By surface analysis, ogdo- + -ad.

Etymology 2

From Ancient Greek ὀγδοάς (ogdoás, “eight, a group of eight”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.