quadripartite

adjective

quad·​ri·​par·​tite ˌkwä-drə-ˈpär-ˌtīt 

1

: consisting of or divided into four parts

2

: shared or participated in by four parties or persons

a quadripartite agreement

Word History

Etymology

Middle English, from Latin quadripartitus, from quadri- + partitus, past participle of partire to divide, from part-, pars part

First Known Use

15th century, in the meaning defined at sense 1