3and threw him into the pit, and shut it and sealed it over him, so that he might not deceive the nations any longer, until the thousand years were ended. After that he must be released for a little while.
The Greek word translated here as “shut” is the word for “key” put in verbal form. The point is that with the key he had in his hand, the angel locked the door to the abyss. And he alone has the key that can open this lock—and hence release Satan.
3 and threw him into the pit, and shut it and sealed it over him, so that he might not deceive the nations any longer, until the thousand years were ended. After that he must be released for a little while.