'Year of Release' in the Bible

Beware that there not be a base thought in your heart, saying, "The seventh year, the year of release, is at hand;" and your eye be evil against your poor brother, and you give him nothing; and he cry to Yahweh against you, and it be sin to you.

Moses commanded them, saying, "At the end of [every] seven years, in the set time of the year of release, in the feast of tents,