'Opening' in the Bible

But then he took his hand back again, and his brother came first to birth: and the woman said, What an opening you have made for yourself! So he was named Perez.

And everywhere on the earth they were short of food; then Joseph, opening all his store-houses, gave the people of Egypt grain for money; so great was the need of food in the land of Egypt.

Now at their night's resting-place one of them, opening his bag to give his ass some food, saw his money in the mouth of the bag.

And when we came to our night's resting-place, on opening our bags we saw that every man's money was in the mouth of his bag, all our money in full weight: and we have it with us to give it back;