רַ֣ק חֲזַ֗ק לְבִלְתִּי֙ אֲכֹ֣ל הַדָּ֔ם כִּ֥י הַדָּ֖ם ה֣וּא הַנָּ֑פֶשׁ וְלֹא־תֹאכַ֥ל הַנֶּ֖פֶשׁ עִם־הַבָּשָֽׂר׃
Only be stedfast in not eating the blood; for the blood is the life; and thou shalt not eat the life with the flesh.
Targum Jonathan on Deuteronomy
Only put a strong restraint upon your desires, that you eat no blood; for the blood is the subsistence of the life. You may not, with the flesh, eat blood, in which is the subsistence of life: