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