ISEE/SSAT Vocabulary Builder›Word parts›Number parts›tri, ter
Number partLatin
tri, ter
three
Latin tres, three: a triangle has three corners, a trilogy joins three works, and trivial began at a three-road crossroads.
Words built from it
- triangle — a shape with three sides and three angles
tri- (three) + angle (corner) - triathlon — an athletic contest of three events
tri- (three) + athlon (contest) - trilogy — a set of three related works
tri- (three) + -logy (writings or discourse) - trivial — of little importance
tri- (three) + via (road) - trisect — to divide into three equal parts
tri- (three) + sect (cut) - tertiary — third in order or level
ter- (third) + -iary (relating to)
Looks like it, but is not
- trick — from Old French trique 'deceit,' not Latin tri- 'three'
- trigger — from Dutch trekker 'puller,' not Latin tri- 'three'
- trip — from Old French triper 'to dance,' not Latin tri- 'three'
Drill this word part in the app
More number parts
- pent, quin — five
- quad, tetra — four
- uni, sol, mono — one, singular