fukubukuro n. a gift bag or package containing unknown and varied merchandise, sold at the New Year for a large discount. Etymological Note: From Japanese 福 fuku ‘good fortune; luck’ + 袋 fukuro ‘bag’ (source: Double-Tongued Dictionary)
Further reading
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One of the most powerful words you’ll ever hear — and one of the most poignant — isn’t in dictionaries yet. But it probably will be one day. The word is endling, and it means “the last surviving member of a species.” The...