H4668–מַפְתֵּחַ–maph.te.ach

And they waited till they were utterly at a loss; but when he still did not open the doors of the roof chamber, they took the key and opened them; and there lay their lord dead on the floor.

הַמַּפְתֵּ֙חַ֙ (מַּפְתֵּ֙חַ֙) maf.Te.ach “key”

for they stayed round about the house of God during the night, because the charge was upon them, and the opening thereof every morning [ergänzt: pertained] to them.

הַמַּפְתֵּ֖חַ (מַּפְתֵּ֖חַ) maf.Te.ach “key”

And the key of the house of David will I lay upon his shoulder; and he shall open, and none shall shut; and he shall shut, and none shall open.

מַפְתֵּ֥חַ maf.Te.ach “[the] key of”