词根：-proper-, -propri-

【词根含义】：适当的,本身所有的

【词根来源】：来源于拉丁语形容词proprius, propria, proprium(个人的,自己的)。

【同源单词】：improper, proper, property, appropriate, appropriation

词根：propr, proper, propri = proper（适当的）, one's own（自己

  词根来自拉丁语的propr 意为one's own。
  （*拉丁文proprius(=proper,own)——英文字根字典）

同源词：

1. propriety （自身所固有的性质propr(=one's own)）
  n.（行为等的）得体；妥当；适当；礼貌；(pl.)礼仪，礼节
  proper adj. 合适的，妥当；有礼貌的；本身的
  properly adv.合适地；有礼貌地；彻底地
  proprietor n.所有者；经营者；房东
  proprietorship n.所有权《-ship = 抽象名词后缀》
  I question the propriety of his promoting his own son to V.P. at such an early age. 我怀疑他将自己如此年轻的儿子提升为副总裁是否妥当。

2. appropriate
  v.占用，挪用，盗用；拨出（款项等）
  adj.适合的，适当的 *ap < ad(=to,near)
  Don't appropriate other's ideas. 不要盗用别人的见解。
  appropriate $500,000 for the new school buildings 为建新校舍拨款50万美元
  The legislature appropriated the funds for the university.州议会为那所大学拨了款。
  Sports clothes are not appropriate for a formal wedding.运动服不适合正式的婚礼。
 
3. appropriation
  n.私用，挪用（资金）；拨给的费用 *ap<ad(=to,near)
  make an appropriation for payment of debts 为了偿还债务而支出

4. expropriate
  v.没收（财产）；征用（土地等的）使用权；夺取所有权 *ex(=out,away)
  expropriation n.没收；征用

5. impropriety
  n.不适当；不正当的行为；错误的词句《im- = in- =not》

6. misappropriate
  v.误用；侵占；盗用（不当地使用）《mis- = wrong》
  misappropriation n.误用；侵占；盗用

词根：proper, propri = one's own, 表示“拥有”, 引申为“恰当的”

"

property n. 财产；所有物；特性（proper+ty)

proprietor n. 所有者（propri+etor→拥有者）

proprietory a. 私有的（proprietor所有者+y…的）

appropriate v. 拨款；挪用a. 适当的（ap一再+propri+ate→一再拥有[公物]→挪用）

expropriate v. 没收，征用（ex出+propri+ate→不再拥有→没收）

propriety n. 适当；礼节（propri+ety→拥有[风度]→适当）

improper a. 不适当的（im不+proper适当的）

词根词缀：anthrop-, anthropo-, -anthrope, -anthropic, -anthropical, -anthropically, -anthropism, -anthropist, -anthropoid, -anthropus, -anthropy

【来源及含义】Greek: man; human beings, mankind; including, males (man, men; boy, boys) and females (woman, women; girl, girls); all members of the human race; people, humanity

【相关词根词缀】Links to other units that include the topic of "man", "mankind":
andro-; homo-; vir-. Related "people, human" word units: demo-; ethno-; ochlo-; popu-; publi-.

【同源单词】academic anthropologist, academic anthropology, Africanthropus, American Institute of Philanthropy, anthrobot, anthropagogy

词根词缀：tropo-, trop-, -tropal, -trope(s), -tropic, -tropism, -tropia, -tropous, -tropy, trep-

【来源及含义】Greek: bend, curve, turn, a turning; response to stimulus

【相关描述】Don't confuse this tropo-, -tropy element with tropho-, meaning "food, nourishment, nutrition".

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; verg-; vers-; volv-.

【同源单词】acrotropic, acrotropism, aerotropic, aerotropism, ageotropism, allotrope