Panhellenic

adjective

Pan·​hel·​len·​ic ˌpan-hə-ˈle-nik 

1

: of or relating to all Greece or all the Greeks

2

: of or relating to the Greek-letter sororities or fraternities in American colleges and universities or to an association representing them

Word History

First Known Use

1847, in the meaning defined at sense 1