propr,proper,propri = proper（適當(dāng)?shù)模?，one's own（自己

詞根來自拉丁語的propr 意為one's own。
（*拉丁文proprius(=proper,own)——英文字根字典）
1.propriety （自身所固有的性質(zhì)propr(=one's own)）
n.（行為等的）得體；妥當(dāng)；適當(dāng)；禮貌；(pl.)禮儀，禮節(jié)
proper adj. 合適的，妥當(dāng)；有禮貌的；本身的
properly adv.合適地；有禮貌地；徹底地
proprietor n.所有者；經(jīng)營者；房東
proprietorship n.所有權(quán)《-ship = 抽象名詞后綴》
I question the propriety of his promoting his own son to V.P. at such an early age. 我懷疑他將自己如此年輕的兒子提升為副總裁是否妥當(dāng)。

2.appropriate
v.占用，挪用，盜用；撥出（款項(xiàng)等）
adj.適合的，適當(dāng)?shù)?*ap < ad(=to,near)
Don't appropriate other's ideas. 不要盜用別人的見解。
appropriate $500,000 for the new school buildings 為建新校舍撥款50萬美元
The legislature appropriated the funds for the university.州議會(huì)為那所大學(xué)撥了款。
Sports clothes are not appropriate for a formal wedding.運(yùn)動(dòng)服不適合正式的婚禮。

3.appropriation
n.私用，挪用（資金）；撥給的費(fèi)用 *ap<ad(=to,near)
make an appropriation for payment of debts 為了償還債務(wù)而支出

4.expropriate
v.沒收（財(cái)產(chǎn)）；征用（土地等的）使用權(quán)；奪取所有權(quán) *ex(=out,away)
expropriation n.沒收；征用

5.impropriety
n.不適當(dāng)；不正當(dāng)?shù)男袨?；錯(cuò)誤的詞句《im- = in- =not》

6.misappropriate
v.誤用；侵占；盜用（不當(dāng)?shù)厥褂茫秏is- = wrong》
misappropriation n.誤用；侵占；盜用