词根：-punct-

【词根含义】：刺,点

【词根来源】：来源于拉丁语动词pungo, pungere, pupugi, punctus(刺)。

【同源单词】：acupuncture, appoint, appointment, compunction, disappoint

前缀：e-, ex-

【词根含义】：出,向外;向上

【词根来源】：e-用在b, c, d, g, j, l, m, n, r, v前;ex-用在s前时,s常省略。来源于拉丁语前缀ex-。

【同源单词】：edit, edition, editor, editorial, educate

词根词缀：pung-, punc-, punct-

【来源及含义】Latin: pungere, punctum to strike, to hit, to punch, to pierce, to puncture, to point, to sting, to bite; a dot, a mark; a point, a sharp point, a pinpoint

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acies- (not "sour"); acuto- (not "sour"); oxy-.

【同源单词】acupoint, acupunctuate, acupunctuation, acupuncturation, acupuncture, acupuncture

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