ousia
noun
ou·sia
ˈüzēə,
ˈüsēə,
ˈüzh(ē)ə,
ˈüsh(ē)ə
plural -s
1
: true being : entity, essence, substance
2
: hypostasis sense 2a
Word History
Etymology
Greek, from ous- (stem of ōn, present participle of einai to be) + -ia -y
First Known Use
1861, in the meaning defined at sense 1