וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה אֱמֹ֥ר אֶל־הַכֹּהֲנִ֖ים בְּנֵ֣י אַהֲרֹ֑ן וְאָמַרְתָּ֣ אֲלֵהֶ֔ם לְנֶ֥פֶשׁ לֹֽא־יִטַּמָּ֖א בְּעַמָּֽיו׃
And the LORD said unto Moses: Speak unto the priests the sons of Aaron, and say unto them: There shall none defile himself for the dead among his people;
Targum Jonathan on Leviticus
AND the Lord spake to Mosheh, saying: Speak unto the priests, the men of the children of Aharon, that they keep themselves apart from defilement and thus shalt thou say to them: For a man who is dead, (the priest) shall not defile himself among his people;