maintained by or involving five participants or groups of participants
quinquepartite in American English
(ˌkwɪŋkwəˈpɑːrtait, ˌkwɪn-)
adjective
divided into or consisting of five parts
Word origin
[1585–95; quinque- + partite]This word is first recorded in the period 1585–95. Other words that entered Englishat around the same time include: aberration, keyhole, naturalize, parallax, scuff