I believe it was a symbol for perfection and tranqulity
I don’t want to give an answer with wording you haven’t learned but midnight is minuit and the word you’re looking for is dormir. It would be a little like this.
À minuit, ___ dormir.
Answer: B. S
Explanation: It is pronounced very similar to “Sah”
The Greek city-state of Massalia, known today, as Marseilles, France.
J’ai choisi cette sortie spéciale pour toi.