词根：-ess-, -sent-, -senc-

【词根含义】：存在

【词根来源】：原始印欧语的be动词es-派生的拉丁语be动词为esse。-sent-来源于拉丁语be动词esse的现在分词词干;-senc-来源于esse在拉丁语中派生的词干-sentia;-ess-来源于esse在拉丁语中派生的抽象名词essentia(存在)。

【同源单词】：essence, essential, essentially, absent, assent

词根：-sens-, -sent-

【词根含义】：感觉

【词根来源】：来源于拉丁语动词sentio, sentire, sensi, sensus(感觉)。

【同源单词】：consensus, insensible, insensitive, nonsense, photosensitive

前缀：pre-

【词根含义】：前,先

【词根来源】：来源于拉丁语prae。

【同源单词】：precaution, precede, precedent, preceding, precise

词根词缀：esse, sent-, terest-

【来源及含义】Latin: to be

【同源单词】absence, Absens haeres non erit, absent, absente febre, absente reo, absentee

词根词缀：pre-, prae-

【来源及含义】Latin: before [both in time and place]

【相关描述】The prefix prae- can actually be substituted for pre- because both of them are different spellings for the same prefix meaning "before".

【相关词根词缀】 Related before-word units: ante-; antero-; anti-; pro-. Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; horo-; Quotes: Time; tempo-.

【同源单词】preacquaint, preacquaintance, preagonal, pre-agricultural, preamble, preambular