In ancient Greek, a mark or symbol used in manuscripts to denote the end of a section or book; also in astronomy, a star in the Corona Borealis.
From Greek koronis meaning 'curved' or 'crown-shaped,' used as a punctuation mark in ancient texts because of its curved shape.
The Greeks invented punctuation marks and named them after what they looked like—coronis is one of the oldest proofreading marks, used before even commas existed!
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