The Israelites lived for centuries among the Egyptians, and they forced circumcision on the Egyptians. So the Egyptians got it from the Jews, not the other way around.
Source of this statement, please?
By that I mean a source beyond, "I said so."
"The Christian church, in its attitude toward science, shows the mind of a more or less enlightened man of the Thirteenth Century. It no longer believes that the earth is flat, but it is still convinced that prayer can cure after medicine fails." H L Mencken