'Old' in the Bible

This is why Joshua had to circumcise them: All the men old enough to fight when they left Egypt died on the journey through the desert after they left Egypt.

Indeed, for forty years the Israelites traveled through the desert until all the men old enough to fight when they left Egypt, the ones who had disobeyed the Lord, died off. For the Lord had sworn a solemn oath to them that he would not let them see the land he had sworn on oath to give them, a land rich in milk and honey.

They annihilated with the sword everything that breathed in the city, including men and women, young and old, as well as cattle, sheep, and donkeys.

When Joshua was very old, the Lord told him, "You are very old, and a great deal of land remains to be conquered.

I was forty years old when Moses, the Lord's servant, sent me from Kadesh Barnea to spy on the land and I brought back to him an honest report.

So now, look, the Lord has preserved my life, just as he promised, these past forty-five years since the Lord spoke these words to Moses, during which Israel traveled through the wilderness. Now look, I am today eighty-five years old.

A long time passed after the Lord made Israel secure from all their enemies, and Joshua was very old.

So Joshua summoned all Israel, including the elders, rulers, judges, and leaders, and told them: "I am very old.