comitia
noun
co·mi·tia kə-ˈmi-sh(ē-)ə 
plural comitia
: any of several public assemblies of the people in ancient Rome for legislative, judicial, and electoral purposes
comitial
kə-ˈmi-shəl
adjective 
Word History
Etymology
Latin, plural of comitium, from com- + -it- (akin to ire to go) — more at issue entry 1
First Known Use
1600, in the meaning defined above