名詞 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.（名詞）
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.
炫財(cái)冬宴，冬季贈(zèng)禮節(jié)：西北太平洋沿岸的某些美洲印第安人的慶祝宴會(huì)，如婚慶或就職慶典。在宴會(huì)上，主人會(huì)根據(jù)每個(gè)客人的不同身份或地位分發(fā)禮物。在兩個(gè)敵對(duì)的部落之間，主人會(huì)在這種宴會(huì)上炫耀性地大肆搗毀或分發(fā)貴重禮物來(lái)顯示自己的財(cái)富

來(lái)源：
Chinook Jargon
奇努克混雜語(yǔ)
from Nootka p`achitl [to make a potlatch gift]
源自 努特卡語(yǔ) p`achitl [為炫財(cái)宴會(huì)制作的禮物]