G3466–μυστήριον–mustērion

but in the days of the voice of the seventh angel, when he is about to sound, then is finished they mystery of God, according to the good tidings which he declared to his servants the prophets.

μυστήριον mustērion “mystery”

and upon her forehead a name written, MYSTERY, BABYLON THE GREAT, THE MOTHER OF THE HARLOTS AND OF THE ABOMINATIONS OF THE EARTH.

μυστήριον, mustērion “a mystery:”

And the angel said unto me, Wherefore didst thou wonder? I will tell thee the mystery of the woman, and of the beast that carrieth her, which hath the seven heads and the ten horns.

μυστήριον mustērion “mystery”