Eleusinian
1 of 2adjective
El·eu·sin·i·an ˌel-yü-ˈsi-nē-ən 
: of or relating to ancient Eleusis or to the religious mysteries celebrated there in worship of Demeter and Persephone
Eleusinian
2 of 2noun
plural Eleusinians
: a native or inhabitant of Eleusis in ancient Greece
Word History
First Known Use
Adjective
1579, in the meaning defined above
Noun
1728, in the meaning defined above