potlatch
英 ['pɒtlætʃ]美 ['pɑt,lætʃ]
n. 冬季赠礼节（美洲印第安人冬季的一个节日）
英文词源
potlatch (n.)
1845, "a gift," from Chinook jargon pot-latch, "a gift," from Nootka (Wakashan) patshatl "giving, gift." Later (1865) in sense "ceremony in which gifts are exchanged."
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