authenticsource
nounUK /ɔːˈθɛntɪk sɔːs/
US /ɔˈθɛntɪk sɔːrs/
A real place or person that gives true information.
The museum is an authentic source for learning about history.
OTHER MEANINGS
2. A document or record that is proven to be real and not fake.
The historian checked the authentic source before writing the book.
3. A person who saw or experienced something firsthand.
The witness was an authentic source of information about the event.
4. An original work or object, not a copy.
The painting in the gallery is an authentic source from the artist himself.