Memory Game Word List: ped = footOnline version Greek & Latin Root Words by Mrs. Funk tripod a three-footed stand often used to balance a camera biped a four-footed creature a creature with 100 feet pedestrian a person who walks across the street on foot a person who goes from door to door on foot trying to sell a product pedicure a foot treatment that could include soaking the feet and polishing the toenails millipede peddler something that stands in one's way; an obstacle a creature with 1,000 feet impediment quadruped a creature with two feet a lever that is moved with one's foot centipede pedal