מַפְתֵּחַ

They waited until they were ashamed; and behold, he didn’t open the doors of the upper room. Therefore they took the key and opened them, and behold, their lord had fallen down dead on the floor.

They stayed around God’s house, because that duty was on them; and to their duty was its opening morning by morning.

I will lay the key of David’s house on his shoulder. He will open, and no one will shut. He will shut, and no one will open.