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：veter-

【来源及含义】Latin vetus: old, aged, old age; many years, a long time; elder, elderly; senior

【相关词根词缀】 Related "old; old age, elder" units: gero-; obsolesc-; presbyo-; sen-.

【同源单词】inveteracy, inveterate, inveterately, inveterateness, inveteration, veteran