derivation

名词 derivation:

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

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

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

(descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation: `singer' from `sing'; `undo' from `do'

inherited properties shared with others of your bloodline

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

drawing off water from its main channel as for irrigation

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