H4668–מַפְתֵּחַ–maph.te.ach

And they went on waiting till they were shamed, but the doors were still shut; so they took the key, and, opening them, saw their lord stretched out dead on the floor.

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

Their sleeping-rooms were round the house of God, for they had the care of it, and were responsible for opening it morning by morning.

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

And I will give the key of the family of David into his care; and what he keeps open will be shut by no one, and what he keeps shut no one will make open.

מַפְתֵּ֥חַ maf.Te.ach “[the] key of”