词根词缀：digit-, digiti-
【来源及含义】Latin: finger, toe; from Greek daktylos
【相关词根词缀】 Cross references directly, or indirectly, involving the "toes" and "fingers": dactylo-; hallu-; phalang-.
【同源单词】bidigitate, binary digit, digit, digital, digital arteries, digital audio
词根词缀：ped-, pedi-, -pedal, -ped, -pede, -pedia
【来源及含义】Latin: foot, feet; people often see this ped element in other words. When people refer to "pedal extremities", they mean "feet". When anyone pushes the pedals of a bicycle, it is done with the feet. A pedestrian must use the feet for walking. A quadruped has four feet while a centipede has "100 feet"; or a large number of them because it may be impossible to count all of them.
【相关词根词缀】 Related "foot, feet" units: melo-; planta-; podo-; -pus.