Parallel
2 Chronicles 36:21
Brenton's English Septuagint · Berean Standard Bible
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.
So the land enjoyed its Sabbath rest all the days of the desolation, until seventy years were completed, in fulfillment of the word of the LORD spoken through Jeremiah (note: See Jeremiah 25:12 and Jeremiah 29:10.).