To register or sign up for membership, participation, or attendance in an organization, course, or program.
From Old French 'enroller', from 'en-' (in) + 'rolle' (roll, scroll). Originally meant to write someone's name on a roll or list. The concept comes from medieval practices of keeping official records on scrolled parchments.
The word enrollment literally means 'to put on a roll' - those ancient scrolls where names were written. Today we click 'enroll' on websites, but we're still fundamentally doing what scribes did centuries ago: adding names to official lists.
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