pilcrow
The symbol ¶. — A symbol designating the beginning of a new paragraph.
The pilcrow was a simple punctuation symbol used by medieval scribes to indicate the start and end of a paragraph.
The symbol ¶. — A symbol designating a paragraph break.
Where it comes from
Probably an alteration of Middle English pylcrafte, modification of Late Latin paragraphus, itself from the Ancient Greek παράγραφος (parágraphos).
Adapted from the Wiktionary entry pilcrow (CC BY-SA 4.0).