Reference for Job 29:10

קוֹל־נְגִידִ֥ים נֶחְבָּ֑אוּ וּ֝לְשׁוֹנָ֗ם לְחִכָּ֥ם דָּבֵֽקָה׃

The voice of the nobles was hushed, And their tongue cleaved to the roof of their mouth.