词根：-vent-

【词根含义】：来;风

【词根来源】：“来”的意义来源于拉丁语动词venio, venire, veni, ventus(来);“风”的意义来源于拉丁语名词ventus, venti, n(风)。

【同源单词】：advent, adventitious, adventure, adventurer, adventurous

前缀：il-, in-, ir-, im-

【词根含义】：不,无,非;入,向内

【词根来源】：(il-用于l前;im-用于b, m, p前;ir-用于r前;in-用于其它情况)   来源于拉丁语in。

【同源单词】：illegal, illegality, illegitimate, illiterate, illogical

词根词缀：-tion

【来源及含义】Latin: a suffix forming nouns from verbs of condition and action; an act or process: resumption, absorption; state or condition, redemption, exhaustion; something resulting from or otherwise related to an act or process, assumption, friction

【相关描述】This unit is presenting a small fraction of the hundreds of words ending with the suffix of -tion; however, there is a significant number of words which may help everyone have a better understanding and appreciation of the use of this element.

【同源单词】abduction, abjection, ablution, ablution, abolition, abruption

词根词缀：ven-, vent-, veni-, ventu-

【来源及含义】Latin: come, coming

【同源单词】Ab inconvenienti, advene, advenement, advenient, Advent, advent