词根词缀：atav-

【来源及含义】Latin: grandfather; ancestor; father of a great-grandfather

【同源单词】atavism, atavistic, atavistically, uncle

词根词缀：-ism, -ismus

【来源及含义】Greek, ismos; Latin, ismus: a suffix: belief in, practice of, condition of, process, characteristic behavior or manner, abnormal state, distinctive feature or trait

【同源单词】abaptism, abolitionism, abortionism, abrakophilism, absenteeism, absolutism