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：-arian

【来源及含义】Latin: a suffix forming adjectives from nouns ending in -ary; a person who, a thing that; a person who is a part of something, pertaining to one's state or condition; a person who has a connection with or belief in the stated subject; an advocate of something; a native or inhabitant of someplace; someone of a certain age

【同源单词】abecedarian, acararian, acarian, agrarian, alphabetarian, altitudinarian

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：libr-, libel

【来源及含义】Latin: book; originally, the "inner bark of a tree", whence "the text written on this", "collection of leaves for writing", and finally "book"

【相关词根词缀】 Related book unit: biblio-.

【同源单词】Cave ab homine unius libri, ex libris, exlibris, interlibrary loan, lending library, libel