Noun:

1. the source or origin from which something derives (i.e. comes or issues);

   "he prefers shoes of Italian derivation"
   "music of Turkish derivation"
   

2. (historical linguistics) an explanation of the historical origins of a word or phrase

3. a line of reasoning that shows how a conclusion follows logically from accepted propositions

4. (descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation;

   "`singer' from `sing' or `undo' from `do' are examples of derivations"
   

5. inherited properties shared with others of your bloodline

6. drawing of fluid or inflammation away from a diseased part of the body

7. drawing off water from its main channel as for irrigation

8. the act of deriving something or obtaining something from a source or origin

originn.起源；出身；[数]原点；起因

sourcen.来源；发源地；原始资料v.从...获得

rootn.根；根源；根本v.生根；扎根；根除

beginningn.开始；开端；起源；早期adj.刚开始的动词begin的现在分词.

seedn.种子vi.播种；(植物)结实vt.播种

cradlen.摇篮；发祥地；支架v.怀抱

descentn.下降；下坡；家世；血统；侵袭；衰落；继承

bloodn.血；血统；仇恨vt.流血

filiationn.子女对父母的关系；派生；裔派

lineagen.家系；直系；血统

derivingv.获取；得自；起源

etymologizingv.探溯语源；研究语源

ancestryn.祖先；家世；门第；血统

1. As in Arabic and Hebrew, Esperanto makes up most of its vocabulary through derivation from invariable roots.
   同阿拉伯语和希伯来语一样，世界语通过在不变的词根上派生出大多数的词汇。
2. Every sentence has a canonical derivation.
   每个句子都有一个规范推导。
3. Our derivation lacks rigour in this regard.
   我们的推导在这方面是不严格的。
4. The derivation of the poem isn't confirmed.
   这首诗出处不详。
5. The custom is of Scottish derivation.
   这种风俗起源于苏格兰。