词根词缀：gram-, -gram-, -gram, -grammatic, -grammatical, -grammatically, -gramme, -grammic

【来源及含义】Greek: write, writing, something written, a written record, a recording; letters; words; later, a small weight, a unit of mass in the metric system

【相关描述】A unit of weight in the metric system from 1797 gramme, borrowing of French gramme, from Late Latin gramma, "small weight"; from Greek gramma, "small weight"; originally, "something written"; from the stem of graphein, "to draw, to write".

【相关词根词缀】Related "writing" word units: glypto-; graph-; scrib-, script-.

【同源单词】accelerogram, achillogram, acoustogram, acrogram, acronym, actinogram

词根词缀：pupillo-, pupill-

【来源及含义】Latin: [diminutive of pupa, a young girl, doll or puppets] the pupil of the eye; including the larva of insects

【相关描述】The term pupil came into existence because when one looked closely into another person's eyes, he/she could see the reflections of little images ["dolls" or "puppets"] of her/himself.

【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; irido-; lenti-, lens-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; retino-; uveo-.

【同源单词】interpupillary, iridopupillary, oculopupillary, pupilla, pupillage, pupillarity