ルーメン
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Japanese
Etymology
Borrowed from English lumen,[1][2][3][4][5] from French lumen, from Latin lūmen (“light”).
Pronunciation
Noun
References
- ^ Shōgaku Tosho (1988) 国語大辞典（新装版） (in Japanese), Tōkyō: Shogakukan, →ISBN
- ^ Matsumura, Akira (1995) 大辞泉 (in Japanese), First edition, Tokyo: Shogakukan, →ISBN
- ^ Shinmura, Izuru, editor (1998), 広辞苑 (in Japanese), Fifth edition, Tokyo: Iwanami Shoten, →ISBN
- ↑ 4.0 4.1 Matsumura, Akira, editor (2006), 大辞林 (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
- ↑ 5.0 5.1 Kindaichi, Kyōsuke et al., editors (1997), 新明解国語辞典 (in Japanese), Fifth edition, Tokyo: Sanseidō, →ISBN