This would be from the Admin side.
PATRICK, I've shared your question with the Canvas Admins group. If you're not already a member of that group, joining is just a few clicks away.
Hey PATRICK LOVE
I think the easiest way would be to masquerade as the student and view their list of all courses:
How do I masquerade as a user in an account?
Alternatively, you could look up the user and view their list of courses and possibly use the course names to establish which ones are "Past Enrollments."
Retrieving data ...