fountainhead

foun·tain·head  (fountn-hd)

n.

1. A spring that is the source or head of a stream.

2. A chief and copious source; an originator: "the intellectual fountainhead of the black conservatives" (Jerrold K. Footlick).

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fountainhead [ˈfaʊntɪnˌhɛd]

n

1. (Earth Sciences / Physical Geography) a spring that is the source of a stream

2. a principal or original source

Thesaurus

Noun	1.	fountainhead - an abundant source; "she was a well of information" wellspring, well source - a document (or organization) from which information is obtained; "the reporter had two sources for the story"
	2.	fountainhead - the source of water from which a stream arises; "they tracked him back toward the head of the stream" headspring, head origin, source, root, rootage, beginning - the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root"

Translations

fountainhead [ˈfaʊntɪnhed] N → fuente f, origen m
to go to the fountainhead → acudir a la propia fuente