词根：-firm-

【词根含义】：巩固,确定

【词根来源】：来源于拉丁语形容词firmus(稳固的,坚固的)和动词firmo, firmare, firmavi, firmatus(巩固,确定)。

【同源单词】：affirm, affirmance, affirmation, affirmative, confirm

前缀：af-

【词根含义】：来,临近;加强意义

【词根来源】：ad-的变体,用在f前。

【同源单词】：affect, affectation, affected, affection, affectionate

词根词缀：firm-

【来源及含义】Latin: strong, firm; steadfast or unwavering in purpose, loyalty, or resolve

【同源单词】affirm, affirmable, affirmation, affirmative, affirmative action, affirmatively

词根词缀：-ive

【来源及含义】Latin: a suffix; tending to; of the quality of, inclined to

【同源单词】adhesive, adhesive, advertive, affirmative, aggressive, agitative