TGAs27(1) 27.1.20 :דקא דחקיתון היכא שנולדו שניהם בבת אחת ומצמצמיתון משתי נשים‏ : where you are insisting that the two of them were born at the same moment and observe it from two women †
See the entire entry for ṣmṣm vb. to make tight