ogdoad
noun/ˈɒɡ.dəʊ.æd/
Etymology From Ancient Greek ὀγδοάς (ogdoás, “eight, a group of eight”). By surface analysis, ogdo- + -ad.
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 Decani1855, Henry Hart Milman, History of Latin Christianity: