triv·i·um 
(trĭvē-əm)
(trĭvē-əm)n. pl. triv·i·a (-ē-ə)
The lower division of the seven liberal arts in medieval schools, consisting of grammar, logic, and rhetoric.
[Medieval Latin, from Latin, crossroads : tri-, tri- + via, road; see wegh- in the Appendix of Indo-European roots.]