25 But Zipporah took a flint knife, cut off her son’s foreskin and touched Moses’ feet with it.a “Surely you are a bridegroom of blood to me,” she said.

Read Exodus 4:25 Using Other Translations

Then Zipporah took a sharp stone, and cut off the foreskin of her son, and cast it at his feet, and said, Surely a bloody husband art thou to me.
Then Zipporah took a flint and cut off her son's foreskin and touched Moses' feet with it and said, "Surely you are a bridegroom of blood to me!"
But Moses’ wife, Zipporah, took a flint knife and circumcised her son. She touched his feet with the foreskin and said, “Now you are a bridegroom of blood to me.”