词根：-pel-, -puls-

【词根含义】：推动

【词根来源】：来源于拉丁语动词pello, pellere, pepuli, pulsus(推动)。

【同源单词】：appeal, appealing, compel, dispel, expel

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：pel-, -pell, -pellent, -peal

【来源及含义】Latin: push, beat, strike, knock, drive

【相关描述】Don't confuse this pel- unit with another pel- group meaning "mud, earth, clay".

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "push, shove, thrust": osmo-; puls-; trud-.

【同源单词】appeal, appealable, appealer, appealingly, appealingness, appellant

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