Japanese

Noun

一雨 ‎(hiragana ひとあめ, romaji hitoame)

1. a single rainfall
2. a single brief rain shower

Idioms

• 一雨 (ひとあめ)ありそう ‎(hitoame arisō): “it looks like a shower, it looks like rain” → an unfavourable incident looks likely

References

1. ↑ 1988, 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
2. 1 2 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9

Okinawan

Noun

一雨 ‎(hiragana ちゅあみ, romaji chuami)

1. rainfall, shower