1)
What is the meaning of "La'anos bo Sarah"?
1.
Rashi: It means to testify something that is not correct, that completely removes them 1 from the testimony. 2
2.
Yerushalmi Makos, 1:7: It refers to a second pair of witnesses, who testify that they were with them in another location. 3
2)
What are the implications of the word "La'anos bo Sarah"?
1.
Makos, 5a and Yerushalmi Makos, 1:7: It implies that the second pair of witnesses are not coming to contradict the testimony of the first pair, but on the witnesses themselves. 1
1
Refer to 19:16:1:2 and to 19:18:2.1:2 and see Torah Temimah, note 54,