词根词缀：melo-, mel-, -melia

【来源及含义】Greek: melos, limb, body extremity or member; a condition of the limbs or extremities of a body; such as, arms, hands, fingers, legs, feet, toes, etc.

【相关词根词缀】 Related "foot, feet" units: ped-; planta-; podo-; -pus. Related "leg, legs" word units: cruro-; skel-, scel-.

【同源单词】acrodolichomelia, acromelalgia, acromelic, amelia, amelus, anisomelia

词根词缀：tetra-, tetr-

【来源及含义】Greek: four; a number used as a prefix

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "four, fourth": quadri-; quatr-; tessara-.

【同源单词】rotundo-tetragonal, tessaraglot, tetrabasic, tetrablastic, tetrabrach, tetrabrachius