Reference for Niddah 38:9

איכא בינייהו לתלות

and it is this that he in effect said to the Rabbis, 'Granted that where a woman finds a yellow bloodstain on her garment you do not regard her as unclean;<span class="x" onmousemove="('comment',' Being yellow (an unusual colour for blood) it might well be presumed to have originated from some source other than her body. ');">⁸</span>

Jastrow

Jastrow

Jastrow