pen·tad
ˈpenˌtad/
nountechnical
a group or set of five.
This is the pentad (of the Aeons of the Father):
1. the first Human, the image [of the INVISIBLE SPIRIT]). This is Pronoia, namely: Barbelo and Thought,
2. Foreknowledge,
3. Indestructibility,
4. Eternal Life, and
5. Truth.
In secret book of John