词根：-rect-

【词根含义】：正,直

【词根来源】：-rect-来源于拉丁语动词rego, regere, rexi, rectus。

【同源单词】：address, correct, correction, correctly, direct

前缀：di-

【词根含义】：通过,横过;分离,分开;二,双

【词根来源】：来源于拉丁语前缀di-。

【同源单词】：antediluvian, digest, digestion, digestive, digress

词根词缀：recti-, rect-

【来源及含义】Latin: right, straight; to lead, in a straight line; to rule

【同源单词】correct, correctional, corrective, direct, direction, director

词根词缀：regi-, reg-, rec-, rex-

【来源及含义】Latin: to direct, to rule, to lead straight, to keep straight; to guide, to govern

【相关描述】Although it does not appear to be correct, all of the words in this unit etymologically come from this family group. Some words; such as, surge and its related formats, may be presented as separate units; however, they originally evolved from this family unit.

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "master, lead, leading, ruler, ruling, govern": -agogic; agon-; arch-; -crat; dom-; gov-; magist-; poten-; tyran-.

【同源单词】address, address, addressee, addresser, addressograph, adroit

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