And this [is] the cause why Joshua did circumcise: All the people that came out of Egypt, [that were] males, [even] all the men of war, died in the wilderness by the way, after they came out of Egypt.
Berean Study Bible (BSB) - Joshua 5:4 >Now this is why Joshua circumcised them: All those who came out of Egypt—all the men of war—had died on the journey in the wilderness after they had left Egypt.