“Celebration whose full name translates as "festival of the first day"” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.TET is the answer to the New York Times crossword clue “Celebration whose full name translates as "festival of the first day"”. It was last seen in the puzzle of June 11, 2025, where it runs at 39 Down and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.