Reference for Niddah 115:16

שאני ראש גודלה דבהדי דפסעה עביד דמתרמי

but what is the reason for the uncleanness in the case of a stain on THE TIP OF HER GREAT TOE? And should you reply: It might sometimes touch her heel [the objection would arise]: Do we [as regards] uncleanness presume transfer from place to place? Was it not in fact taught: If she<span class="x" onmousemove="('comment',' A woman who discovered a bloodstain near her pudenda. ');">¹⁴</span>

Jastrow

Jastrow