Sale (noun)

1. An act of selling; the exchange of a commodity for money.
2. A disposal of goods, as at reduced prices.
3. An auction; an event at which goods are sold at auction.

Origin:

Middle english, from old english sāl, sǣl; akin to old high german sal sale, latin salus health, safety, sale.

Examples:

1. The store is having a sale on winter coats.
2. The company made a large profit from the sale of the building.
3. The estate sale was well attended.
4. The company was having a clearance sale.
5. The art sale was a success, many paintings were sold.