interfaculty

adjective

in·​ter·​fac·​ul·​ty ˌin-tər-ˈfa-kəl-tē 

variants or inter-faculty

: involving faculty (see faculty sense 3c) from two or more departments or disciplines

an interfaculty picnic

interfaculty collaboration

… the journal of the interfaculty [=interdisciplinary] Arts & Science program …

—Daniel Galef

Word History

First Known Use

1901, in the meaning defined above