词根：-ced-, -cess-, -ceed-

【词根含义】：行走,退让

【词根来源】：来源于拉丁语动词cedo, cedere, cessi, cessus (行走,退让)。

【同源单词】：accede, antecede, antecedent, concede, intercede

前缀：pro-

【词根含义】：前;公开

【词根来源】：来源于希腊语和拉丁语pro。

【同源单词】：by-product, compromise, improvident, microprocessor, portrait

词根词缀：-cede, -ceed, -cess, -cease

【来源及含义】Latin: to be in motion; to go, to go away, to yield, to give up, to withdraw

【同源单词】abscess, accede, access, access, accessibility, accessible

词根词缀：pro-, por-, pur-

【来源及含义】Greek > Latin: a prefix signifying before; forward, forth; for, in favor of; in front of; in place of, on behalf of; according to; as, to place before; to go before or forward, to throw forward

【相关词根词缀】 Related before-word units: ante-; antero-; anti-; pre-.

【同源单词】portend, portent, portentous, portentously, portentousness, pro