ennead
英 ['enɪæd]美 ['ɛnɪ,æd]
n. 九个一组
英语词源
ennead (n.)
"group of nine things," 1650s, from Greek enneas
(genitive enneados) "group of nine," from ennea "nine" (see nine). Especially in reference to the divisions of Porphyry's collection of the neo-Platonic doctrines of Plotinus. Related: enneadic.