Thematic Bible: The tenth of, offered by the levites as an heave offering to God

"Moreover, you shall speak to the Levites and say to them, 'When you take from the sons of Israel the tithe which I have given you from them for your inheritance, then you shall present an offering from it to the LORD, a tithe of the tithe. 'Your offering shall be reckoned to you as the grain from the threshing floor or the full produce from the wine vat.