וְהַלְוִיִּ֞ם מַחְשִׁ֤ים לְכָל־הָעָם֙ לֵאמֹ֣ר הַ֔סּוּ כִּ֥י הַיּ֖וֹם קָדֹ֑שׁ וְאַל־תֵּעָצֵֽבוּ׃
So the Levites stilled all the people, saying: ‘Hold your peace, for the day is holy; neither be ye grieved.’
Rashi on Nehemiah
quieted They admonished all the people to be quiet, that they should weep no longer.
Rashi on Nehemiah
Hush Heb. הַסוּ, an expression of silence, like (Num. 13:30): “And Caleb hushed (וַיַהַס).”