詞綴cata的含義為down腊敲，是含義為up的反義前綴
具體示例有：
1.cataclysm
? n.sudden and violent change 大變動，突變 *cate(=completely),clysm(=wash)
? 例句：The tearing down of the Berlin Wall graphically represented the cataclysm sweeping Eastem Europe in the post-Cold War era.柏林墻的推倒是后冷戰(zhàn)時代席卷東歐的社會大變動的生動體現(xiàn)葫录。
2.catalogue
? n.lists of names set down 目錄 （描述的很詳細(xì)） *cata(=completely),log (=speech)
? 例句：No catalogue of Afrcan literature existed before Jansen created this record.在詹森創(chuàng)意造此記錄之前，根本不存在關(guān)于非洲文學(xué)的目錄领猾。
3.catalyst
? n. a combination which starts a reaction 催化劑米同；觸媒 （使釋放出來）*cata(=completely),lys(=loose)
? 例句：The involvement of other countries is a catalyst that will make a lasting peace possible in the tormer Yugoslavia.其他國家的介入是前南斯拉夫?qū)崿F(xiàn)永久和平的催化劑。
4.catapult
? n.an ancient apparatus for hurling stones（古代用的）石弩 *cata (=away),pult (=toss,hurl)
? 例句：A catapult was used in ancient wars.石弩曾被應(yīng)用于古代戰(zhàn)爭中摔竿。
5.cataract
? n. a large waterfall;a clouding of the lens of the eye 大瀑布面粮；白內(nèi)障 *cata(=down),ract (=break)
? 例句：She had an operation to clear up a cataract in her left eye.她做一個手術(shù)，以去除左眼的白內(nèi)障继低。
6.catastrophe
? n.a moment of tragedy 災(zāi)禍熬苍，大災(zāi)難 （面臨惡運） *cat (=completely),stroph(=turn)
? 例句：The Johnstown flood was a catastrophe.約翰郡灌水是一場巨大的災(zāi)難。
7.catharsis
? n. outlet for strong emotion;emptying of the bowels 情感宣泄；精神凈化 *cat<cata(=completely,away),hars (=pure)
? 例句：Her diary was her only catharsis.寫日記是她唯一的感情宣泄方式柴底。
8.category
? n.類婿脸；種；部門 （當(dāng)作一集體->看成一個集體）《cat-(down)+egory(assembly 會議)》
詳細(xì)解釋：
漢：來源于希臘語柄驻，意為"down",是意為"up"ANA的為反義前綴狐树。此外，cata還有"away,completely,against,throughout,backward,fully"等含有鸿脓，在元音字母和輔音字母h前抑钟，cata的a脫落，變?yōu)閏at野哭。
英：word-forming element from Latinized form of Greek kata-, before vowels kat-, from kata "down from, down to." Its principal sense is "down," but with occasional senses of "against" or "wrongly." Also sometimes used as an intensive or with a sense of completion of action. Very active in ancient Greek, this prefix is found in English mostly in words borrowed through Latin after c.1500.
來源：
詞根詞源字典 www.etymon.cn
