'Age during' in the Bible

And I -- I have remembered My covenant with thee, In the days of thy youth, And I have established for thee a covenant age-during.

Thus said the Lord Jehovah: Because of the doings of the Philistines in vengeance, And they take vengeance with despite in soul, To destroy -- the enmity age-during!

Because of thy having an enmity age-during, And thou dost saw the sons of Israel, By the hands of the sword, In the time of their calamity, In the time of the iniquity of the end:

Desolations age-during I make thee, And thy cities do not return, And ye have known that I am Jehovah.

And I have made to them a covenant of peace, A covenant age-during it is with them, And I have placed them, and multiplied them, And placed My sanctuary in their midst -- to the age.

And a present thou dost make for it morning by morning, a sixth part of the ephah, and of oil a third part of the hin, to temper with the fine flour, a present to Jehovah, by a statute age-during -- continually;