词根词缀：ante-, ant-

【来源及含义】Latin: before, in front of, prior to, forward; used as a prefix

【相关描述】Compare this element with anti-, meaning "against". Anti-, with the meaning of "before", is found in very few words, such as: "antipasto" (from Italian) and "anticipate" with its various forms, plus a few scientific terms.

【相关词根词缀】 Related before-word units: antero-; anti-; pre-; pro-.

【同源单词】advance, advancement, advantage, advantageous, advantageously, advantageousness

词根词缀：di-, die-, -diem, diurn-

【来源及含义】Latin: day

【相关描述】Don't confuse this dies, "day" (DEE uhs) with the verb dies (DIGHZ) which refers to "dying" or "death".

【相关词根词缀】Another related "day" unit is located at hemer-.

【同源单词】adjourn, adjournment, antemeridian, Carpe diem, circadian, diary

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：medio-, medi-

【来源及含义】Latin: middle

【同源单词】admedial, ante meridian, antemeridian, anteromedial, anteromedian, aurea mediocritas