词根词缀：demo-, dem-, demio-, -demic, -deme, -demically

【来源及含义】Greek: people, population

【相关描述】From Greek, district, country, land, and the people who inhabit those territories.

【相关词根词缀】Related "people, human" word units: anthropo-; ethno-; ochlo-; popu-; publi-.

【同源单词】biodemography, cenodemocracy, cyberdemocracy, demagogue, democracy, democrat

词根词缀：epi-, ep-

【来源及含义】Greek: above, over, on, upon; besides; in addition to; toward; among

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: hyper-; super-, supra-, sur; ultra-, ult-.

【同源单词】anepigraphous, cotyledon, endoepidermal, ephemeral, epibasal, epibasidium

词根词缀：-ity

【来源及含义】Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective

【同源单词】abnormality, absorbability, acclivity, acerbity, acridity, acrity