ISEE/SSAT Vocabulary BuilderWord partsNumber partsbi, di, du/deu
Number partLatin & Greek
bi, di, du/deu
two, divided
Latin duo, two: a bicycle has two wheels, a biped two feet, and duplicity presents a double fold.
Words built from it
- bicycle — a two-wheeled vehicle
bi- (two) + cycle (wheel) - biped — an animal that walks on two legs
bi- (two) + ped (foot) - bisect — to divide into two equal parts
bi- (two) + sect (cut) - biennial — occurring every two years
bi- (two) + enn (year) - bilateral — involving two sides or parties
bi- (two) + later (side) - duplicate — an exact copy
du- (two) + plic (fold) - duplicity — deceitfulness
du- (two) + plic (fold) + -ity
Looks like it, but is not
- bizarre — from Italian/Spanish bizarro 'brave, fierce', ultimately Basque bizar 'beard' — unrelated to Latin bi- 'two'
- bias — from Old French biais 'slant, oblique', of obscure pre-Latin origin — unrelated to bi- 'two'
- bitter — from Old English biter 'sharp-tasting,' not Latin bi- 'two'
Drill this word part in the app