noun
origin
OR-ih-jin/ˈɔːrɪdʒɪn/
The source or beginning from which someone or something comes.
The spring marks the stream's origin.

Etymology
Latin origo meant a rise or beginning as well as a source or birth. A beginning thus names not only when something starts, but also what it comes from.
In context
Without pollen, there's no way to verify the floral source or geographic origin, whether it's real Florida orange blossom or not.
More examples
- Investigators traced the fire's origin.
- The museum explained the origin of the custom.
- She asked about the word's origin.
Forms
origin · origins
originate verb — begin or come from somewhere
original adjective — present at the beginning