Sources

noun
1.
any thing or place from which something comes, arises, or is obtained; origin:
Which foods are sources of calcium?
2.
the beginning or place of origin of a stream or river.
3.
a book, statement, person, etc., supplying information.
4.
the person or business making interest or dividend payments.
5.
a manufacturer or supplier.
6.
Archaic. a natural spring or fountain.
verb (used with object), sourced, sourcing.
7.
to give or trace the source for:
The research paper was not accurately sourced. The statement was sourced to the secretary of state.
8.
to find or acquire a source, especially a supplier, for:
Some of the components are now sourced in Hong Kong.
verb (used without object), sourced, sourcing.
9.
to contract a manufacturer or supplier:
Many large companies are now sourcing overseas.
10.
to seek information about or consider possible options, available personnel, or the like:
a job recruiter who was merely sourcing.
noun
1.
the point or place from which something originates
2.

a spring that forms the starting point of a stream; headspring
the area where the headwaters of a river rise: the source of the Nile

3.
a person, group, etc, that creates, issues, or originates something: the source of a complaint
4.

any person, book, organization, etc, from which information, evidence, etc, is obtained
(as modifier): source material

5.
anything, such as a story or work of art, that provides a model or inspiration for a later work
6.
(electronics) the electrode region in a field-effect transistor from which majority carriers flow into the interelectrode conductivity channel
7.
at source, at the point of origin
verb
8.
to determine the source of a news report or story
9.
(transitive) foll by from. to originate from
10.
(transitive) to establish an originator or source of (a product, piece of information, etc)