Reference for Temurah 9:43

(ויקרא כז, כח) לא ימכר ולא יגאל ותנן

- If the Divine Law had not stated 'the first part of them'<span class="x" onmousemove="('comment',' So Rashi; cur. edd. have throughout 'first'.');">³⁶</span>

Jastrow