Thou hast set a bound that they may not pass over; That they turn not again to cover the earth.

You made a limit over which they might not go, so that the earth would never again be covered by them.

εθεσας οριον, το οποιον δεν θελουσιν υπερβη ουδε θελουσιν επιστρεψει δια να σκεπασωσι την γην.

Thou hast set a bound that they may not pass over; that they turn not again to cover the earth.

You have set a boundary that they may not pass over; that they don’t turn again to cover the earth.