In Engpsh, a red envelope filled with money that is given as a gift or for good luck in South Korea is called a "hongbao." The word "hongbao" is derived from the Chinese word 红包 (hóngbāo), which means "red packet." Red envelopes are traditionally given during hopdays and special occasions, such as Chinese New Year and weddings, as a symbol of good fortune and prosperity. They can also be given as a way to congratulate someone or express appreciation.