pipraskō

This is the verb for a sale that has gone through. Almost every time the New Testament uses it, the transaction is already finished or is being weighed as a finished thing: the merchant has sold everything he owns and bought his pearl, the field has been sold and the money is sitting in the owner's hand, the jar of perfume could have been sold for about a year's wages. The picture is not of haggling or of standing behind a stall but of goods that have changed hands, so that the seller no longer has them.

Greek had a second and more common verb for selling (πωλέω), the ordinary word for offering things in a market or a temple courtyard. English says "sell" for both, so the pairing disappears in translation. Luke puts the two side by side in one sentence in Acts 4:34: owners of land and houses kept selling, and the value of what had been sold was carried to the apostles.

What this word can do that the market verb rarely does is name a sale whose object is a human being. A debtor who cannot pay is ordered to be sold along with his wife and children, and Paul turns the same image on himself, describing a person who has been sold and now belongs to sin. That slave-market shade is the part an English reader is likeliest to walk past, because "sold" in modern English carries no memory of a human auction.