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

词根词缀：tempo-, tempor-

【来源及含义】Latin: time, occasion

【相关描述】Don't confuse this tempo- element with other words that refer to the temples; such as, the flattened sides of the forehead or the buildings used for religious worship or services. They simply have no connection with this element.

【相关词根词缀】 Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; horo-; pre-; Quotes: Time.

【同源单词】contemporaneous, contemporary, contemporate, contemporize, contretemps, distemper