derived from the Medieval Latin word
trivium (place where three roads meet; the gutter, breeding place of course manners; trivium, first group of seven liberal arts)
derived from the Late Latin word
via (way, road, street)
derived from the Latin word
vehere (bear, carry, convey)
derived from the Proto-Indo-European root
*wegh-using the Latin prefix
tri-derived from the Classical Latin word
tres (three)
derived from the Proto-Indo-European root
*trei-