'Buy' in the Bible

But when evening was come, the disciples came to Him and said, "This is an uninhabited place, and the best of the day is now gone; send the people away to go into the villages and buy something to eat."

Why, what benefit will it be to a man if he gains the whole world but forfeits his life? Or what shall a man give to buy back his life?

"'But perhaps,' replied the wise, 'there will not be enough for all of us. Go to the shops rather, and buy some for yourselves.'

"So they went to buy. But meanwhile the bridegroom came; those bridesmaids who were ready went in with him to the wedding banquet; and the door was shut.