Rashi on Exodus 4:25/רש"י על שמות ד׳:כ״ה

1ותגע לרגליו AND CAST IT AT HIS FEET — i. e. she cast it before Moses’ feet (Talmud Yerushalmi Nedarim 3:9).

2ותאמר AND SHE SAID, referring to her son:

3כי חתן דמים אתה לי which means, thou hast brought it about that my bridegroom (Moses) was on the point of being killed because of thee: thou hast been to me my husband’s murderer.