词根：-ped-
【词根含义】：足;儿童
【词根来源】：原始印欧语ped-,pod-(足)在希腊语中的派生词有pous(足)和pedon(土壤,儿童,足);在拉丁语中的派生词有pes, ped.is, m(足)和pod.ium(阳台,剧场的包厢)等。
【同源单词】：biped, centipede, expedient, expedite, expedition
词根词缀：-an
【来源及含义】Latin: suffix; indicating a person who specializes in something
【同源单词】herbarian, librarian, logician, mercenarian, pedestrian, pyrotechnian
词根词缀：-ian
【来源及含义】Latin: suffix form of -an from -ianus, a modifier of the main word to which it is attached: belonging to, coming from, being involved in, or being like something
【相关描述】Appearing in such words as comedian, egalitarian, Bostonian, Italian, Smithsonian, mathematician, Alabamian, Californian, Arizonian, and Canadian. It is attached to the root of common or proper nouns with the meanings "of, pertaining to, from", or "like" the proper name appearing in the stem.
【同源单词】abecedarian, academician, acanthopterygian, acararian, acoustician, aeolian
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.