Reference for Sotah 55:15

ואידך ההוא דמודע לה כהן דבטן ברישא והדר ירך שלא להוציא לעז על המים המרים

i.e., the belly and thigh of the paramour. You say it is the belly and thigh of the paramour; perhaps it is not so, but the belly and thigh of the adulteress! Since it is stated and her belly shall swell and her thigh shall fall away,<span class="x" onmousemove="('comment',' Ibid. 27. ');">¹⁴</span>

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