American Standard Version (ASV):
and cast him into the abyss, and shut [it], and sealed [it] over him, that he should deceive the nations no more, until the thousand years should be finished: after this he must be loosed for a little time.
King James Version (KJV):
And cast him into the bottomless pit, and shut him up, and set a seal upon him, that he should deceive the nations no more, till the thousand years should be fulfilled: and after that he must be loosed a little season.