词根：cumb, cub = to lean, to lie

  来自拉丁语的cumb,cub意为to lean,to lie。同义词根有来自盎格鲁-撒克逊语的croch(croach,crouch,crotch,crutch,crook)和来自拉丁语的clin/cli,cliv,flect/flex等。

同源词：

1. encumber（靠在里面en(=in) + cumb(=lean,lie)）
  vt. sth/sb + with + sth 妨碍；使负担（债务、义务等）；因...而负担；阻塞（某个场所）
  encumbrance n.妨碍，障碍；令人头疼的事
  His heirs discovered his estate was encumbered with substantial debt. 他的继承人发现他的遗产负有相当多的债务。

2. incumbent（躺在某物上面in(=on) + cumb(=lie)）
  n.在职者，现任者
  adj.有义务的；倚靠的
  incumbency n.职责，义务；任职
  The incumbent usually has an advantage in any election campaign. 在任何选举活动中，在职者通常都占有优势。

3. recumbent（躺在后面的re(=back) + cumb(=lie)）
  adj.（特指人）躺着的，靠着的；休息的
  I was recumbent in a hammock when the earthquake struck. 地震发生的时候，我正躺在吊床上。

4. succumb（躺在下方suc<sub(=under) + cumb(=lean,lie)）
  vi. to + sth 屈服，屈从；死
  He succumbed to malaria after several long nights of chills and fevers. 经受了几夜的风寒和高烧，他最终死于疟疾。

5. incubus（躺在某物内in(=in,on) + cub(=lie)）
  n.噩梦；梦魇；如梦魇般折磨的人（或物），心理负担（如债务、临近考试等）
  The woman claimed to have been violated by an incubus,but was probably insane. 那个女人说自己一直受噩梦的折磨，但很可能她有些精神错乱。

6. cumber
  v.妨碍；拖累
  cumber onerself with an overcoat on a warm day. 暖和天穿大衣，自己受罪
  cumbered with parcels 肩负包裹

7. cumbersome
  adj.麻烦的，累赘的； 笨重的
  cumbersome armor 笨重的盔甲

8. concubine
  n.妾；姘夫 *con<com(=together)
  take six women as his concubines 他娶了六个小妾

9. incubate
  v.孵化；培育（细菌）；酝酿（计划等），筹措；将（早产儿等）放入保育器里抚养、培养 *in(=in)

10. incubation
  n.孵卵；（疾病的）潜伏 *in(=in)
  artificial incubation 人工孵化

11. incubator
  n.孵化器；细菌培育器;早产儿保育器；酝酿计划的人 *in(=in)

12. succubus
  n.女妖（据说在男人睡觉时降临并与其性交） *suc<sub(=under)

13. cube
  adj.立方体，正六面体；立方，三次幂；（电冰箱制成的）方块冰
  v.求（数的）立方；使成立方体
  cube root 立方根，三次方根
  cube sugar 方糖

14. cubic
  adj.立方体的，正六面体的；立方的，三次方的，三次的
  one cubic meter 1立方米
  cubic foot 立方英尺

15. cubicle
  n.（大房间隔成的）小隔间（小卧室；游泳场的更衣室或研究生的研究室）

词根词缀：angi-, angio-, angei-, -angium

【来源及含义】Greek > Latin: [receptacle], vessel, often a blood vessel; "covered by a seed or vessel", a seed vessel; a learned borrowing from Greek meaning "vessel", "container"

【相关词根词缀】Inter-related cross references, directly or indirectly, involving "blood" word units: apheresis; -emia; hemo-; hemoglobin-; phleb-; sangui-; vas-; vascul-.

【同源单词】adenoangiosarcoma, anangioid, anangioplasia, angialgia, angiasthenia, angiectasia

词根词缀：calypto-, calypt-

【来源及含义】Greek: covered, cover; hide, hidden; conceal, concealed

【同源单词】apocalypse, apocalypst, apocalyptic, apocalyptic literature, apocalyptic number, apocalyptical

词根词缀：galvano-, galvan-

【来源及含义】Named after the Italian physician and physicist who investigated the nature and effects of what he conceived to be electricity in animal tissue; who in 1762 discovered and first described voltaic electricity; electric currents; and primarily, direct electrical current.

【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "electricity": electro-; hodo-; ion-; piezo-; -tron; volt; biomechatronics, info; mechatronics, info.

【同源单词】electrolysis, Galvani, galvanic, galvanic battery, galvanic corrosion, galvanic couple

词根词缀：gymno-, gymn-

【来源及含义】Greek: unclothed, bare, unclad, disrobed, undressed; naked, nude

【相关词根词缀】 A related "unclothed; uncovered" word family: nudo-, nudi-.

【同源单词】gymnanthous, gymnasiarch, gymnasiast, gymnasium, gymnast, gymnastic

词根词缀：nudo-, nudi-, nud-

【来源及含义】Latin: naked, uncovered or without clothing

【相关词根词缀】 A related "naked, nude; uncovered" word family: gymno-, gymn-.

【同源单词】denudate, denude, hypnudism, nude, nudely, nudeness

词根词缀：roentgeno-, roentgen-

【来源及含义】German: radiation, "x-ray"; X-ray; 1896, translation of German X-strahl, from X, "algebraic symbol for an unknown quantity", + Strahl, "beam, ray"

【相关描述】So called after its discoverer, a German physicist, Wilhelm Konrad Roentgen [1845-1923], who discovered roentgen rays [x-rays] in 1895; winner of the Nobel prize in physics in 1901.

【相关词根词缀】 Related "roentgen, x-ray" units: Roentgen Biography; Chemical Element: roentgenium.

【同源单词】bioroentgenography, cineradiograhy, cineroentgenography, fluororoentgenography, kiloroentgen, microroentgen

词根词缀：stego-, steg-, stegano-

【来源及含义】Greek: covering, covered, to cover; roof; by extension, secret, secret writing, applied to a secret code, codes, or ciphers that are hidden

【相关描述】Closely related to Latin tego-, techo-, "to cover".

【相关词根词缀】 A cross reference of other word family units that are related directly, or indirectly, to: "secret, hidden, confidential, concealed": ceal-; clandesti-; crypto-; myster-; occult-; orgy.

【同源单词】acanthostegous, rhinostegosis, steganalysis, steganogram, steganograph, steganographic