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bai-u

adjective
\(ˈ)bī¦ü\

Definition of bai-u 

: relating to the spring or early summer rainy season in China and Japan

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First Known Use of bai-u

1910, in the meaning defined above

History and Etymology for bai-u

Japanese, rain of the rainy season, from bai plum + u rain

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The first known use of bai-u was in 1910

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