potlatch

名词 potlatch:

1. a ceremonial feast held by some Indians of the northwestern coast of North America (as in celebrating a marriage or a new accession) in which the host gives gifts to tribesmen and others to display his superior wealth (sometimes, formerly, to his own impoverishment)

pot.latch

n.（名词）
A ceremonial feast among certain Native American peoples of the northwest Pacific coast, as in celebration of a marriage or an accession, at which the host distributes gifts according to each guest`s rank or status. Between rival groups the potlatch could involve extravagant or competitive giving and destruction by the host of valued items as a display of superior wealth.
炫财冬宴，冬季赠礼节：西北太平洋沿岸的某些美洲印第安人的庆祝宴会，如婚庆或就职庆典。在宴会上，主人会根据每个客人的不同身份或地位分发礼物。在两个敌对的部落之间，主人会在这种宴会上炫耀性地大肆捣毁或分发贵重礼物来显示自己的财富

来源：
Chinook Jargon
奇努克混杂语
from Nootka p`achitl [to make a potlatch gift]
源自 努特卡语 p`achitl [为炫财宴会制作的礼物]