וְזֶה֙ דְּבַ֣ר הָרֹצֵ֔חַ אֲשֶׁר־יָנ֥וּס שָׁ֖מָּה וָחָ֑י אֲשֶׁ֨ר יַכֶּ֤ה אֶת־רֵעֵ֙הוּ֙ בִּבְלִי־דַ֔עַת וְה֛וּא לֹא־שֹׂנֵ֥א ל֖וֹ מִתְּמֹ֥ל שִׁלְשֹֽׁם׃
And this is the case of the manslayer, that shall flee thither and live: whoso killeth his neighbour unawares, and hated him not in time past;
Targum Jonathan on Deuteronomy
And this is the regulation for the manslayer who fleeth thither that he may live: Whoever shall have killed his brother without intention, he not having kept enmity against him yesterday, or the day before,