Yes! I found the source:
Strabo, Geographica IV.4.4-5
- the poets and singers known as bardoi,
- the diviners and specialists in the natural world known as o'vateis, and
- those who studied "moral philosophy", the druidai.
Yes! I found the source:
Strabo, Geographica IV.4.4-5
Also this antiquarian source is pretty interesting in describing the differences between the Druids in Ireland and those in Gaul:
https://www.libraryireland.com/SocialHistoryA…TXmjUhTXgIgPuSU
To round this discussion of the Druids back to Latin, here's a video of someone discussing the topic and reading Caesar all in Latin