originary
/ˌɒrɪˈdʒɑːrɪ, ˌɒrɪˈdʒɪnɛri/; /ˌɒrɪˈdʒɪneri/Definitions
1. adjective
of or relating to a point or period at which something originates or begins.
“The concept of the originary event has been a topic of interest in philosophical circles for years.”
2. noun
the source or origin of something.
“The artist’s originary style was heavily influenced by the Impressionist movement.”