词根词缀：fid-, fidel-

【来源及含义】Latin: believe, belief; trust, faith, true

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "faith, trust; faithful, trusting; believe, belief": cred-; dox-.

【同源单词】Ab origine fidelis, Ad finem fidelis, Adeste, affiance, affiance, affiant

词根词缀：per-

【来源及含义】Latin: through, across, over; beyond, by means of

【同源单词】Ad astra per aspera, Ad augusta per angust, Ad perpetuam rei memoriam, Ad virtutem per sapientiam, ampersand, antiperspirant