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半陰影 (haninei) Japanese meaning: penumbra | Kotomora

半はん陰いん影えい

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ん

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Meanings

1

Astronomical term for the partial shadow during an eclipse, where the light source is only partially blocked.

月げっ食しょくのとき、月つきが半はん陰いん影えいに入はいると少すこし

暗くら

く

見み

える

。

During a lunar eclipse, when the moon enters the penumbra, it looks slightly darker.

Kanji

半half, middle, odd number
陰shade, yin, negative
影shadow, silhouette, phantom

Related words

本ほん影えい
本影 is the umbra, the fully dark inner shadow, while 半陰影 is the penumbra, the partial outer shadow.

Built from

半はん+陰いん影えい

Etymology

Compound of 半 (half) and 陰影 (shadow), directly corresponding to the astronomical concept of penumbra.