derivation

n 1: the source from which something derives (i.e. comes or

issues); "he prefers shoes of Italian derivation"

2: (historical linguistics) an explanation of the historical

origins of a word or phrase [syn: {deriving}, {etymologizing}]

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'; `undo' from `do'

5: inherited properties shared with others of your bloodline

[syn: {ancestry}, {lineage}, {filiation}]

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