Reference for Niddah 46:9

בעא מיניה רב אדא בר אהבה מאביי

since Scripture said, The first of his mourning<span class="x" onmousemove="('comment',' Deut. XXI, 17. E.V., The first of his strength. ');">⁹</span>

Jastrow

Jastrow

Jastrow