'Year of Release' in the Bible

Take thou heed to thyself lest there be something near thine abandoned heart, saying - Drawing nigh, is the seventh year the year of release, and so thine eye be evil, against thy needy brother, and thou give not unto him, - and he cry out against thee unto Yahweh, and it become in thee a sin!

And Moses commanded them, saying, - At the end of seven years in the appointed season of the year of release, during the festival of booths;