At the end — That is, in the last year of the seven, as is, most evident from Deuteronomy 15:9. And this year of release, as it is, called below, Deuteronomy 15:9, is the same with the sabbatical year, Exodus 23:11.
Related Commentaries of Deuteronomy 15:1
Deuteronomy 15:1
1 At the end of every seven years thou shalt make a release.