词根：pris, prehend, prehens(pren, pregn, priev) = to take, to seize
拉丁词根prehend来源于拉丁语的动词prehendere意为to seize，prehens是动名词词干，而pris则是prehens 在法语中的变体。prehend,prehens的变形有pren,pregn,priev，同义词根有来自拉丁语的cap/capt/cept/ceiv(cip,cup,ceit) ,empt/em,rap/rav,sum/sumpt,lab/lep等。
（pris,prehend 来源于拉丁文prendere,prehendere 意为to take,to seize。predere是prehendere的简型。 —— 刘毅英文根字典）
同源词：
1. comprise（一起抓 com(=together) + pris(=take)）
vt.由...组成；包含，包括
The american Union comprises fifty states. 美联邦由50个州组成。
2. apprise（把某物带给某人ap<ad(=to) + pris(=take)）
vt. sb + of + sth 告知
The army apprised the woman of her husband's death in military action. 部队告知那个女子她的丈夫在战斗中牺牲了。
3. enterprising（在期间夺取，占据的enter<inter(=between) + pris(=take)）
adj.有事业心的；进取的；有冒险精神的
enterprise n.事业；企业；进取精神，冒险精神
Her enterprising nature gives her a high probability for success as a CEO. 她积极进取的性格使她很有可能成为一名成功的首席执行官。
4. reprisal（困报答、回报而抓住re(=back) + pris(=take)）
n.报仇，报复
She didn't reprot her husband's abouse for of reprisals. 她因为害怕遭到报复而没有揭发丈夫的虐待行为。
5. imprison (*im<in(=into)进入+prison监狱→v.监禁)
v.囚禁，关押
6. imprisonment （“imprison”的派生）
n.关押，囚禁
one year's imprisonment 一年监禁
7. prison (pris拿住,抓住+on表名词→抓人之地)
n.监狱，牢狱；拘留所；监禁，囚禁，关押
prison breaking 越狱
be released from prison 被从监狱释放
8. prisoner
n.囚犯，犯人；俘虏
prisoner of conscience 政治犯；宗教犯
prisoner of war 战俘（缩写：P.O.W.）
9. surprise (sur在……上面+prise拿住,抓住→在上面突然被抓住→吃惊)
n.惊奇；惊人之事，意外之事；突袭，奇袭 v.使惊奇；突袭
adj.令人惊讶的，感到意外的 *sur(=above,over)
surprise party 惊喜聚会（秘密策划的庆祝活动）
be taken by surprise 遇到突袭
surprise attack / visit 突然袭击/突访
10. surprising (surprise诧异,惊异+ing状态→adj.令人惊讶的)
adj.令人惊讶的，意外的 *sur(=above,over)
surprisingly adv.惊讶地，意外地
11. prize
n.奖品；战利品（从敌方取得的物品，竞赛所获之物）(priz价值,估价+e→估价→珍视→奖赏, 奖金)
v.掳获得（以下的意思从price“价格而来的）adj.值得给奖的(priz价值,估价+e→估价→珍视→奖赏, 奖金)
v.珍视；估价(priz价值,估价+e→估价→珍视→奖赏, 奖金)
12. prehensile
adj.适于抓握的；有理解力的（能抓住的）《-ile 形容词字尾》
13. prehension
n.捕捉；领会；理解
14. apprehend
v.逮捕；理解；忧惧 （捕捉）《ap- = ad- = to》
apprehendsion n.逮捕；理解力；忧惧
aprehendsive adj.忧郁的；敏悟的；有知觉的
15. apprentice
n.学徒
v.使为学徒（捉来做徒弟）
16. apprenticeship
n.学徒的身份；学徒的期限《-ship 表示性质、状态的抽象名词字尾》
17. comprehend (com全部+prehend抓住→全部抓住→理解)
v.了解；领悟；包含（捉住~）《com- = with》
comprehensible adj.能理解的
comprehension n.理解（力）；包括
comprehensive adj.广博的；有理解力的
18. misapprehend (mis不+apprehend领会理解→v.误会,误解)
v.误解《mis- = wrong》
misapprehension n.误解
19. reprehend (re反+prehend抓住→反过来抓住[别人的缺点])
v.谴责,责难;申斥（逮捕带回）
reprehensible adj.应受谴责的；应受责难的
reprehension n.非难；谴责
词根：tri, trit = to rub（擦）
词根tri来源于拉丁语 terere 擦,trit为他的变体，意为to rub 。同义词根为fric。注意tri有同形异义词根：-tri- 三 / 三倍 / 三重，来源于拉丁语或希腊语 tri，如：tribe 部落 / 部族、tribal 部落的 / 种族的；有异形同义词根：-terg- / -ters- 擦 / 清洗，来源于拉丁语 tergere，如：deterge 使清洁 / 去污、absterge 去垢/擦去。
同源词：
1. attrition（用力擦at<ad(=to,intensive) + trit(=rub)）
n.消耗，磨损；（由于死亡、退休等造成的）人员自然缩减
attrit v.消耗；削弱
attrited adj.磨损的
The company is downsizing its staff by attrition rather than layoffs. 公司减员是通过人员自然缩减实现的，而非通过裁员。
2. contrite（用力擦的 con<com(=intensive,together) + trit(=rub)）
adj.悔罪的，深感懊悔的
contrition n.懊悔，忏悔
My nephew seemed genuinely contrite about having taken money from my purse. 我侄子看起来是在真心懊悔从我钱包里拿钱的事。
3. detriment
n.损害，损伤 *de(=away,intensive)
to the detriment of his health 对他的健康有害
4. detrimental
adj.有害的 *de(=away,intensive)
detrimental to our interests 有损我们利益的
5. detritus
n.[地]岩屑（岩石因风化作用掉下来的石粒或碎屑），碎石 *de(=away,intensive)
6. trite
adj.（话、想法、意见等）阵腐的；无新意的
词根词缀：bi-, bin-, bino-, bis-
【来源及含义】Latin: two, twice, double, twofold; a number; it normally functions as a prefix
【相关描述】This bi- is used before s, c, or a vowel. Don't confuse this bi- with another one which means "life".
All words except biennial referring to periods of time and prefixed by bi- are potentially ambiguous. Since bi- can be taken to mean either "twice each" or "every two", a word like "biweekly" can be understood as "twice each week" or "every two weeks".
【同源单词】biacid, biangular, biannual, biannual, biarchy, biarticulate
词根词缀：cap-, cip-, capt-, cept-, ceive, -ceipt, -ceit, -cipient
【来源及含义】Latin: catch, seize, take, take hold of, receive, contain, hold; caught, taken prisoner
【相关描述】Don't confuse the words in this cap-, cip- unit with those in the capit-, capt-, "head; leader, chief", or "first" unit of words.
【同源单词】accept, acceptable, acceptably, acceptance, acceptation, Accipe hoc
词根词缀：glut-, gluten-, glutin-
【来源及含义】Latin: glue, sticky substance which remains in flour when the starch is taken out
【同源单词】glutelin, gluten, gluten bread, gluten-casein, gluten-free diet, glutenin
词根词缀：lemma-, lemmata-
【来源及含义】Greek > Latin: to take [something for granted]; an assumption taken for granted; premise; anything taken
【相关描述】Don't confuse the words in this unit with another lemmo-, lemm- lemma- unit meaning "sheath, husk".
【同源单词】analemma, dilemma, lemma, lemmatize, pentalemma, polylemma
词根词缀：lemmo-, lemm-, lemma-
【来源及含义】Greek: sheath, husk
【相关描述】Don't confuse the words in this unit with another lemma-, lemmata- unit which means "to take [something for granted]; an assumption taken for granted; premise; anything taken".
【同源单词】alemma, analemma, epilemma, glandilemma, lemma, lemmocyte