2 Chronicles 36:21

That the word of the Lord by the mouth of Jeremias might be fulfilled, until the land should enjoy its sabbaths in resting [and] sabbath keeping all the days of its desolation, till the accomplishment of seventy years.

To fulfil the word of the Lord by the mouth of Jeremiah, until the land had enjoyed her sabbaths: for as long as she lay desolate she kept sabbath, to fulfil threescore and ten years.

to fulfill Yahweh’s word by Jeremiah’s mouth, until the land had enjoyed its Sabbaths. As long as it lay desolate, it kept Sabbath, to fulfill seventy years.