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happi coat

American  
[hap-ee] / ˈhæp i /

noun

(sometimes initial capital letters)
  1. a Japanese lounging jacket with wide, loose sleeves and often an overlapping front closure usually tied with a sash.


Etymology

Origin of happi coat

1875–80; < Japanese, earlier fappi, variant of fan-pi < Middle Chinese, equivalent to Chinese bàn half + bèi wear