the modern word "trivia" originates from the latin neuter plural 'trivium', meaning "a place where three roads meet". in ancient rome, such public crossroads were common gathering spots for casual conversation. by the early modern period, the term evolved in english to denote the kind of commonplace, insignificant information one might exchange in such informal settings. thus, the literal meaning of "three roads" transformed metaphorically into the abstract concept of "insignificant matters" or "petty details".

Structure: tri (three) + via (roads) "tri-" is from latin 'tri-', meaning "three". "via" is from latin 'via', meaning "road" or "way".