perpetually
6 occurrences across the corpus
King James Version
And the LORD said unto him, I have heard thy prayer and thy supplication, that thou hast made before me: I have hallowed this house, which thou hast built, to put my name there for ever; and mine eyes and mine heart shall be there perpetually.
For now have I chosen and sanctified this house, that my name may be there for ever: and mine eyes and mine heart shall be there perpetually.
Thus saith the LORD; For three transgressions of Edom, and for four, I will not turn away the punishment thereof; because he did pursue his brother with the sword, and did cast off all pity, and his anger did tear perpetually, and he kept his wrath for ever:
KJV Apocrypha (Catholic Deuterocanon)
Before him there were none such, neither did ever any stranger put them on, but only his children and his children’s children perpetually.
1 Enoch
In those days shall you resign your peace with the eternal maledictions of all the righteous, and sinners shall perpetually execrate you;
Jubilees
may be before the Lord our God continually. And for this law there is no limit of days, for it is for ever. They shall observe it throughout their generations, so that they may continue supplicating on your behalf with blood before the altar; every day and at the time of morning and evening they shall seek forgiveness on your behalf perpetually before the Lord that they may keep