Source

The act of rising; a rise; an ascent.

The rising from the ground, or beginning, of a stream of water or the like; a spring; a fountain.

That from which anything comes forth, regarded as its cause or origin; the person from whom anything originates; first cause.

a document (or organization) from which information is obtained; "the reporter had two sources for the story"

specify the origin of; "The writer carefully sourced her report"

a publication (or a passage from a publication) that is referred to; "he carried an armful of references back to his desk"; "he spent hours looking for the source of that quotation"

anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies; "an infectious agent depends on a reservoir for its survival"

get (a product) from another country or business; "She sourced a supply of carpet"; "They are sourcing from smaller companies"